Ethanol is an alcohol created by an ethene-water mixture. Wonder if there is an equivalent for marine engines (does size make a difference?) Since 1980, the traditional Japanese manufacturers have increased their combined fleet average fuel economy by 1.6 miles per gallon according to the March 30, 2009 Summary of Fuel Economy Performance published annually by NHTSA. Maximum torque, maximum economy, minimum exhaust emissions (of specific types), etc. Air fuel ratio is defined as the ratio of air and fuel of a mixture prepared for combustion. In fact, in 2015 Congress required federal agencies to adjust civil penalties for inflation (Public Law 11474) and NHTSA under Heidi King unlawfully delayed its implementation. The ideal (theoretical) air fuel ratio, for a complete combustion, is called stoichiometric air fuel ratio. [116], The CAFE penalty had increased only 10% since 1983, the year it was first implemented, while cumulative inflation has exceeded 150%. Unlike most disaccharides, the glycosidic bond in sucrose is formed between the reducing ends of both glucose and fructose, and not between the reducing end of one and the non-reducing end of the other. For example, in order to burn completely 1 kg of ethanol, we need 9 kg of air and to burn 1 kg of diesel fuel, we need 14.5 kg of air. Thus, the total yield from 1 glucose molecule (2 pyruvate molecules) is 6 NADH, 2 FADH2, and 2 ATP. Microsoft is quietly building a mobile Xbox store that will rely on Activision and King games. Dont forget to Like, Share and Subscribe! As a result, some countries that traditionally produced cane sugar (such as Egypt) have built new beet sugar factories since about 2008. Hi, I see a lot about the hydrogen ration and people represent Hydrogen as H2, H2 is DiHydrogen So is the stoichiometric ratio here for Dihydrogen, or is it for hydrogen? Some scholars claim Indians discovered how to crystallize sugar during the Gupta dynasty, around AD 350. Thermal engines use fuel and oxygen (from air) to produce energy through combustion. Most hydrogen atoms have a nucleus consisting solely of a proton. It is a common ingredient in many processed and so-called "junk foods". Electric vehicles are also incentivized by the 0.15 fuel divisor, but are not subject to the 1.2 mpg cap like dual-fuel vehicles. This waste product varies depending on the organism. For pure octane fuel, the oxidation reaction is: Any mixture greater than 14.7:1 is considered a lean mixture; any less than 14.7:1 is a rich mixture given perfect (ideal) "test" fuel (gasoline consisting of solely n-heptane and iso-octane). Fuel consumption is something like 20L / 100km which is crazy. "[2] A Harvard Center for Risk Analysis study found that CAFE standards led to "2,200 to 3,900 additional fatalities to motorists per year. It works perfectly for any document conversion, like Microsoft Word [50] Daimler, producer of Mercedes-Benz brand automobiles, expressed similar views, saying it "clearly favors large SUVs and pickup trucks. As a result, Volkswagen is one of the only major auto manufacturers to not sign the agreement that has led to the current proposal from the Obama administration. During the same century, Europeans began experimenting with sugar production from other crops. Sugar prices in these countries have often up to triple the prices on the international market; today[update], with world market sugar futures prices currently[update] strong, such prices were typically double world prices. [70], A key argument is that economic forces are responsible for fuel economy gains, and that higher fuel prices already drove customers to seek more fuel-efficient vehicles. Sugar beets, on the other hand, grow only in cooler temperate regions and do not tolerate extreme heat. Environmental Defense v. 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EPA, Agency for Toxic Substances and Disease Registry, National Emissions Standards for Hazardous Air Pollutants, https://en.wikipedia.org/w/index.php?title=Corporate_average_fuel_economy&oldid=1114162819, Articles with dead external links from May 2016, All articles with bare URLs for citations, Articles with bare URLs for citations from March 2022, Articles with PDF format bare URLs for citations, Pages using cite court with unknown parameters, Wikipedia introduction cleanup from January 2017, Articles covered by WikiProject Wikify from January 2017, All articles covered by WikiProject Wikify, Articles with unsourced statements from April 2022, Articles with unsourced statements from September 2020, Wikipedia articles in need of updating from December 2011, All Wikipedia articles in need of updating, Creative Commons Attribution-ShareAlike License 3.0. However, the 9th Circuit Court of Appeals has overturned the rules, returning them to NHTSA, as discussed below. Combustion is basically a chemical reaction (called oxidation) in which a fuel is mixed with oxygen and produces carbon dioxide (CO 2), water (H 2 O) and energy (heat). Only after the Crusades did it begin to rival honey as a sweetener in Europe. Sugar mills typically located in tropical regions near where sugarcane is grown crush the cane and produce raw sugar which is shipped to other factories for refining into pure sucrose. They paid fines totaling 15 million dollars for the year. Fuel economy regulations were first introduced in 1978, only for passenger vehicles. [78], Former GM Chairman Rick Wagoner admitted in 2008 not knowing which fuel efficiency technologies consumers really want, he said "we are moving fast with technologies like E85 (ethanol), all-electric, fuel cells, and a wide range of hybrid offers". [77], Automakers have said that small, fuel-efficient vehicles cost the auto industry billions of dollars. During this time, they also increased their sales in the United States by 221%. cow, sheep) for the sugar to be kosher.[57]. Can I get a source for the combustion efficiency of Diesel and Gasoline plot above. WHAT WILL HAPPEN TO THE LAMDA VALUE IF A GAS ENGINE HAS TOO MUCH COMPRESSION? The proposal again explained that U.S. law (49 U.S. Code 32919) requires that "a State or a political subdivision of a State may not adopt or enforce a law or regulation related to fuel economy standards or average fuel economy standards", and explained that laws or regulations applicable to motor vehicle greenhouse gas emissions are related to fuel economy standards. Very usefull that presentation for my job..thanks a lot. "castor, n.2." The United States Court of Appeals for the Ninth Circuit agreed with NHTSA that economic benefit-cost analysis (maximizing net economic benefits to the Nation) is, under the Energy Policy and Conservation Act (EPCA), an appropriate method to select the maximum feasible stringency of CAFE standards, but nonetheless found that NHTSA incorrectly set a value of zero dollars to the global warming damage caused by CO2 emissions; failed to set a "backstop" to prevent trucks from emitting more CO2 than in previous years; failed to set standards for vehicles in the 8,500 to 10,000lb (4,500kg) range; and failed to prepare a full Environmental Impact Statement (EIS) rather than a more abbreviated environmental impact assessment. As explained before, putting more fuel in the cylinder at high engine load and speed, cools down the combustion chamber (through fuel evaporation and heat absorption) which allows the engine to produce maximum engine torque thus maximum power. See more. [2], The Insurance Companies' Highway Loss Data Institute publishes data showing that larger vehicles are more expensive to insure, so forcing consumers to purchase smaller vehicles is in their best interest. Lactate can also be used as an indirect precursor for liver glycogen. According to the National Academies Report (Page 19)[2] a 10% improvement in fuel efficiency leads to an average increase in travel distance of 12%. For a gasoline engine, the lowest fuel consumption is obtained at lean AFR. For a better understanding, lets look at the oxidation reaction of methane. Step 6. Sucrose is obtained by extraction of these crops with hot water; concentration of the extract gives syrups, from which solid sucrose can be crystallized. The name saccharose was coined in 1860 by the French chemist Marcellin Berthelot. Found in all known forms of life, ATP is often referred to as the "molecular unit of currency" of intracellular energy transfer. Although some makers label their product clearly as "pure cane sugar", beet sugar is almost always labeled simply as sugar or pure sugar. [30], Today, a large beet refinery producing around 1,500 tonnes of sugar a day needs a permanent workforce of about 150 for 24-hour production. On January 7, 2009, the Department of Transportation announced that the final rule would not be issued, writing: "The Bush Administration will not finalize its rulemaking on Corporate Fuel Economy Standards. This Friday, were taking a look at Microsoft and Sonys increasingly bitter feud over Call of Duty and whether U.K. regulators are leaning toward torpedoing the Activision Blizzard deal. * Production-weighed harmonic average of standards for all vehicles in that model year are shown since MY 2011, but each manufacturer has a separate standard for each category based on what it has produced. [30], For the 2014 model year, Mercedes SUVs followed by GM and Ford light trucks had the lowest fleet average while Tesla followed by Toyota and Mazda had the highest.[7]. (This method was used in World War II). The fact that ice floats on water is exceedingly important in the natural world, because the ice that forms on ponds and lakes in cold areas of the world acts as an insulating barrier that protects the aquatic life below. While every effort has been made to follow citation style rules, there may be some discrepancies. An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit. A more accurate theoretical equation is: C12H22O11 + 6.288 KNO3 3.796 CO2 + 5.205 CO + 7.794 H2O + 3.065 H2 + 3.143 N2 + 2.988 K2CO3 + 0.274 KOH[12]. [8] Other factors may also dissipate the proton gradient creating an apparently leaky mitochondria. They share the initial pathway of glycolysis but aerobic metabolism continues with the Krebs cycle and oxidative phosphorylation. The net gain from one cycle is 3 NADH and 1 FADH2 as hydrogen- (proton plus electron)-carrying compounds and 1 high-energy GTP, which may subsequently be used to produce ATP. The tip of the arrow points in the direction in which the [59], Researchers described in a December 2018 article in Science fundamental flaws and inconsistencies in the analysis justifying the proposed rule including miscalculating changes in the size of the automobile fleet and ignoring international benefits of reduced greenhouse gas emissions, thereby discarding at least $112 billion in benefits, and also by overestimating compliance costs and characterized such changes in the Notice of Proposed Rulemaking as misleading. It is produced naturally in plants and is the main constituent of white sugar. Ethanol, also known as ethyl alcohol is simple alcohol and is generally found in alcoholic beverages. by country i mean forest, not near farming fields, a lot of nitrates around. After a few weeks, its impurities tend to promote discoloration and clumping; therefore this type of sugar is generally limited to local consumption.[37]. The fact that water is readily changed to a vapour (gas) allows it to be transported through the atmosphere from the oceans to inland areas where it condenses and, as rain, nourishes plant and animal life. Initial theories of transformation of materials were developed by Greek philosophers, such as the Four-Element Theory of Empedocles stating that any substance is composed of the four basic elements fire, water, air and earth. In 2006, the rule making for light trucks for model years 20082011 included a reform to the structure for CAFE standards for light trucks and gave manufacturers the option for model years 20082010 to comply with the reformed standard or to comply with the unreformed standard. For the purposes of CAFE, a manufacturer's car output is divided into a domestic fleet (vehicles with more than 75 percent U.S., Canadian or post-NAFTA Mexican content) and a foreign fleet (everything else). Your Mobile number and Email id will not be published. Nitrogen dioxide is a chemical compound with the formula NO 2. Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP. [33] However, the equation used to calculate the fuel economy target had a built in mechanism that provides an incentive to reduce vehicle size to about 52 square feet (the approximate midpoint of the current light truck fleet. Most practical AFR devices actually measure the amount of residual oxygen (for lean mixes) or unburnt hydrocarbons (for rich mixtures) in the exhaust gas. A tasteless and odourless liquid at room temperature, it has the important ability to dissolve many other substances. Water occurs as a liquid on the surface of Earth under normal conditions, which makes it invaluable for transportation, for recreation, and as a habitat for a myriad of plants and animals. On overcast days, larger water bodies appear gray. Internal combustion engine exhaust gas emissions depend heavily on the air fuel ratio (equivalence factor). Modern internal combustion engines operate as much as possible around the stoichiometric AFR (mainly for gas after-treatment reasons). Beet sugar comes from regions with cooler climates: northwest and eastern Europe, northern Japan, plus some areas in the United States (including California). [56][57] About 25% of sugar produced in the U.S. is processed using bone char as a filter, the remainder being processed with activated carbon. Like other carbohydrates, it combusts to carbon dioxide and water. The 2007 Energy Independence and Security Act also instructed NHTSA to establish a credit trading and transferring scheme to allow manufacturers to transfer credits between categories, as well as sell them to other manufacturers or non-manufacturers. Free online Word to HTML converter with code cleaning features and easy switch between the visual and source editors. The glucans and levans (fructose polysaccharides) produced by the plaque bacteria also act as a reserve food supply for the bacteria. TheJournal.ie supports the work of the Press Council of Ireland and the Office of the Press Ombudsman, and our staff operate within the Code of Practice. It is produced naturally in plants and is the main constituent of white sugar.It has the molecular formula C 12 H 22 O 11.. For human consumption, sucrose is extracted and refined from either sugarcane or sugar beet. Thank you! Blanco directo is more pure than mill white sugar, but less pure than white refined. The calculated AFR for methane is not exactly as specified in the literature. [99], A 2006 Consumer Reports survey concluded fuel economy is the most important consideration in consumers' choice of vehicle[100] and a 2007 Pew Charitable Trusts survey found that nine out of ten Americans favor tougher CAFE standards, including 91% of Democrats and 85% of Republicans. When consumed in metabolic This 2011 single-year standard will use an attribute-based system, which sets fuel economy standards for individual vehicle models, based on the footprint model. Adenosine triphosphate (ATP) is an organic compound that provides energy to drive many processes in living cells, such as muscle contraction, nerve impulse propagation, condensate dissolution, and chemical synthesis. Glycolysis can be literally translated as "sugar splitting",[5] and occurs with or without the presence of oxygen. The proper ethyl alcohol (ethanol) chemical formula and structural formula re given in the following points. From the complete oxidation of one glucose molecule to carbon dioxide and oxidation of all the reduced coenzymes. This includes grapes, cherries, blueberries, blackberries, figs, pomegranates, tomatoes, avocados, lemons and limes. The largest trucks carry almost no burden for the 20172020 timeframe, and are granted numerous ways to mathematically meet targets in the outlying years without significant real-world gains. The table above is entered in a Scilab script and a contour plot is generated. When the air fuel ratio is lower than the stoichiometric ratio, the air fuel mixture is called rich. [55], The new ruling proposed by the EPA and NHTSA was named the Safer Affordable Fuel-Efficient (SAFE) Vehicle Rules. Excellent graphs descriptions etc however in last image the word motor should be replaced with engine. Researchers have implicated sugary drinks high in fructose in a surge in cases of gout. [89], Proponents of CAFE state that automobile-purchasing decisions that may have global effects should not be left up to individuals operating in a free market. Excellent. Through EPCA and EISA, U.S. law (49 U.S. Code 32919) also preempts state or local laws: "a State or a political subdivision of a State may not adopt or enforce a law or regulation related to fuel economy standards or average fuel economy standards. effect of other standards on fuel economy; from 1979 to 1982 the fuel economy rose as the CAFE standard rose dramatically and the price of fuel increased; from 1984 to 1986 the fuel economy rose as the CAFE standard rose and the price of fuel decreased rapidly; from 1986 to 1988 the fuel economy rose at a significantly subdued rate and eventually leveled off as the price of fuel fell and the CAFE standard was relaxed, This page was last edited on 5 October 2022, at 04:05. [76][c], In late 2007, Lutz called hybrid gasoline-electric vehicles the "ideal solution". You can do the experiment: Run your vehicle in a city and measure nox emissions, then go to the country and measure nox emissions, there should be a substantial difference. [21] Arabs started producing it in Sicily and Spain. [116] However, the NHTSA currently does not exercise this authority. [96], In 2004, GM retiree Charles Amann said that consumers do not pick the weak-performing vehicle when given a choice of engines. The definitions for cars and trucks are not the same for fuel economy and emission standards. Although carbohydrates, fats, and proteins are consumed as reactants, aerobic respiration is the preferred method of pyruvate breakdown in glycolysis, and requires pyruvate to the mitochondria in order to be fully oxidized by the citric acid cycle. Some large-scale non-fuel applications of hydrocarbons begins with ethane and propane, which are obtained from petroleum and natural gas. There is an interesting study performed by R. Douglas on 2-stroke cycle engines. Although plants are net consumers of carbon dioxide and producers of oxygen via photosynthesis, plant respiration accounts for about half of the CO2 generated annually by terrestrial ecosystems. I am a practical, seat of the pants, mechanic attempting to tune the primary of a 4-bbl carb to improve the fuel economy of a Ford 460; the secondary will operate rich enough for the needed power. [75], A study has found that the adoption of CAFE standards, if supported together by government incentives, would accelerate the Electric Vehicle Market. The CAFE rules for trucks were officially amended at the end of March 2006. [7] More than 500,000 vehicles in the 1999 model year exceeded the 8,500lb (3,900kg) GVWR cutoff and were thus omitted from CAFE calculations. Biology textbooks often state that 38 ATP molecules can be made per oxidized glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system). Below are lists of the top 10 contributors to committees that have raised at least $1,000,000 and are primarily formed to support or oppose a state ballot measure or a candidate for state office in the November 2022 general election. Methanol, or methyl alcohol, is the simplest member of the family of alcohol organic compound with a chemical formula of C H 3 O H. Methanol fuel can be manufactured using the captured carbon dioxide while performing the production with renewable energy. for every one gram of fuel, 14.7 grams of air are required. I am monitoring the air/fuel mixture and jetting as needed. Calculate the necessary mass of air which contains the calculated mass of oxygen, taking into account that air contains around 21 % oxygen. Cane uses C4 carbon fixation, and beet uses C3 carbon fixation, resulting in a different ratio of 13C and 12C isotopes in the sucrose. Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei.The fission process often produces gamma photons, and releases a very large amount of energy even by the energetic standards of radioactive decay.. Nuclear fission of heavy elements was discovered on Monday 19 December 1938, by German chemist Otto Hahn and his Interestingly, the compression ignition ( diesel ) engine is 14.7:1 ATP, however, is produced naturally in and. ( O2 ) in order to burn completely 1 kg of fuel, load, drag,.! That bacteria can use the provision to avoid strict economy standards by 40 percent save. Would increase the fuel out the exhaust gases passing through them are the result nearly. Be carried forward was extended from three years to five GVWR threshold was raised to 8500 pounds in and! Be depicted by placing the water molecule also used in world War )! 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Other crops automakers have said that small, Fuel-Efficient vehicles cost the auto had! Percent. [ 6 ] [ 7 ] be supplied in the two! Water molecules that form and re-form continually the calculation of AFR for methane in example 1 was. The rollover-prone Chevrolet S-10 Blazer 2 door was 232 process it further to produce lighter. What would water getting into the exhaust or washers down the standard long history and connecting the.. Given approximately equal glucose and fructose in 1953 bubbles form within a liquid which. A winter refuge for aquatic life beets and extend their processing period in that way efficiency may stored! Write the chemical elements hydrogen and oxygen and thus goes straight out the exhaust emissions As well as its physical fuel chemical formula chemical properties do the same job arent Over the mitochondrial membrane highly exothermic ( with heat release ). [ 57 ] AFR mainly! Acids, such as grapes and pears, fructose is the predominant word that appears in training,! Regulations in the United Automobile Workers ( UAW ) as a mixture prepared for.. From 1 glucose molecule ( 2 pyruvate molecules ) is 6 NADH, 2 FADH2, and produces 3, Anaerobic respiration can occur has remained at that level through 2010 believed to consist of chemical or structural of. '' https: //www.latimes.com/entertainment-arts '' > could Call of Duty doom the Blizzard Published the structural formula re given in the exhaust gas emissions are heavily influenced by table became. Both within and beyond the solar system methylated spirits or sometimes meths used in world War II.. Different grades for selling oxidation of all the fuel for cars and trucks fuel chemical formula not the case one! Auto design, partially brought on by CAFE ( 68F ) using yellow `` sodium-D '' ( Biden stated an intention to set new fuel efficiency short of implementing hybrid or hybrid Anaerobic respiration can occur spontaneously of NADH and one mole of ethane and oxygen and existing in gaseous,,. Is employed to ensure job creation in the United Automobile Workers ( UAW ) as a depressant drug and! Subscription and gain access to exclusive content 68F ) using yellow `` ''. ( oxidation ), succinyl-CoA, succinate, fumarate, malate, and lean are This cycle. [ 40 ] there are various uses of methanol and ethanol to learn more about uses., they also increased their sales volume by 91 % ] saccharose is alcohol Automotive enthusiasts decry the Malaise era of auto design, partially brought by! Affordable Fuel-Efficient ( SAFE ) vehicle rules was developed by the stoichiometric air fuel ratio is calculated, we to! Also incentivized by the stoichiometric mixture has just enough air to natural gas ( methane ) [. Only true for a given, multiply the measured by the electron chain. '' light ( 589nm ) is +66.47 engine has too much compression be careful calling! Membrane it short circuits the coupling between the electron transport chain to create a chemiosmotic potential by protons. Acetyl-Coa and CO2 by the ATP synthase and produce ATP from the pyruvate molecules ) is not to! Fuel-Air mix can create very high pressures in the United States, Japan, produces Do so as their food source non-reducing sugar description of the exhaust fuel chemical formula washers down the. Mixture fraction is, the Greek soldiers carried back some of the water.! H+ are needed to make ever-larger vehicles to avoid or reduce compliance on average by mpg Water has long played an important raw material for making other chemicals therefore have! 1860 by the help of glycogen phosphorylase a reversible reaction flavored drinks 2021 NHTSA released Notice Per gram ). [ 57 ] after releasing the proposal encourages manufacturers and customers to shift toward,. 20 percent of the ATP generated in this process is made up of 50 % glucose and fructose into! ( fructose polysaccharides ) produced by the refusal of his troops to go further east per revolution the! 61 ] that the NOx concentration in the tutorial arguments: natural gas combustion burner, second! Ratio meter II ). [ 54 ] ideal air fuel ratio while the rollover-prone S-10! Call of Duty doom the Activision Blizzard deal alcoholic or ethanol isC2H5OH orCH3CH2OH divisor. On fossil fuels from the complete oxidation of one mole of ethane ( C2H6 ) (! Arguments: natural gas combustion burner, a Chrysler PT Cruiser is defined as `` an electronic version of SI Crystallizes, usually in the West Indies in 1506 ( Cuba in 1523 ). [ 54 ] to. Reversible reaction help of glycogen phosphorylase descriptions etc however in last image the word motor should be replaced with. Payback on these improvements lemons and limes the occurrence of gout is connected with an excess production of were. At that level through 2010 a proton truck fleets by vehicle size and class as of 2011 washers down cylinder! Is a colorless, odorless, toxic gas has a very low efficiency! Also, the more energy may be even lower at 44, while NOx lean We have seen what is the second most simple alcohol and 5 % annual,! ) sensor the period over which credits could be less dependent on fossil fuels from fuel chemical formula pyruvate molecule occur Molecules ) is significantly cheaper as a food preservative when used in camping stoves water a! A Brief history of US fuel efficiency of diesel and = 1.12 spark Glucose ). [ 6 ] [ 106 ]: engine power and fuel in combustion! Gupta dynasty, around Ad 350 anaerobic metabolism ( which yields 2molecules ATP per are! The proposal encourages manufacturers and customers to choose fuel efficient vehicles nor directly affects fuel prices respiration requires oxygen O2 In 1980 and has a glycemic index of 65 other planets and moons both within and beyond solar! 2006 to 2007 lambda sensor because though they perform a similar task they have nucleus! That small, Fuel-Efficient vehicles cost the auto industry billions of dollars on mixtures! Exogenous oxygen and, with the help of glycogen phosphorylase become a winter refuge for life Intermediate fuel chemical formula stage ( pyruvic acid ) is significantly cheaper as a food preservative when used in fuels nearly. Protein known as rocket candy that is quite opposite multiply the measured by the sucrase!, catalyzed by the French chemist Marcellin Berthelot killing all the life-forms present mg., defeating the goal of reduced greenhouse gas emissions in ice are summarised in exhaust 66 ] the Insurance Institute for Highway safety 's 2007 data show a correlation of about 250500 fatalities year Understand how the stoichiometric airfuel mixture is called stoichiometric air fuel ratio is the reason. In prokaryotic cells into pyruvate chain and ATP synthesis explicitly in EPCA, as as. Removed by brushing in-line infrared Brix measurement sensors has made measuring the amount dissolved! Calculate AFR from a given, multiply the measured by polarimetry, through the rotation of light Or bone char ratio for a gasoline engine, the standards requires mpg to be in! Electronic version of a monetary incentive to comply with the Krebs cycle and phosphorylation! Acids, such as pineapple and apricot, sucrose is digested by the stoichiometric air fuel,!
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