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why do they put ethanol in gas

How much ethanol is in gasoline, and how does it affect fuel economy? The U. S. Energy Information Administration (EIA) estimates that in 2016, the
in the United States contained about 14. 4 billion gallons of, or about 10% of the total volume of finished motor gasoline consumption. Fuel ethanol contains a Pthat is added to ethanol to make fuel ethanol unfit for human consumption. Federal law requires that fuel ethanol contain at least 2% denaturant by volume, but the actual amount in fuel ethanol may be higher. Most of the gasoline now sold in the United States contains some ethanol. Most of ethanol blending into U. S. motor gasoline occurs to meet the requirements of the 1990 Clean Air Act (RFG Fuel) and the Renewable Fuel Standard set forth in the Energy Independence and Security Act of 2007. The U. S. Environmental Protection Agency (EPA) administers the requirements with the. There are three general categories of ethanol-gasoline blends: E10, E15, and E85. E10 is gasoline with 10% ethanol content.

E15 is gasoline with 15% ethanol content, and Pis a fuel that may contain up to 85% fuel ethanol. The ethanol content of most of the motor gasoline sold in the United States does not exceed 10% by volume. Most of the motor gasoline with more than 10% fuel ethanol content is sold in the Midwest where mostPof ethanol production capacity is located. Gasoline dispensing pumps generally indicate the fuel ethanol content of the gasoline. All gasoline engine vehicles can use E10. Currently, only Pand light-duty vehicles with a model year of 2001 or greater are, although some automakers have yet to approve the use of E15 in their vehicles. Flex-fuel vehicles can use any ethanol-gasoline blends up to E85. The energy content of ethanol is about 33% less than pure gasoline. The impact of fuel ethanol on vehicle fuel economy varies depending on the amount of denaturant that is added to the ethanol. The energy content of denaturant is about equal to the energy content of pure gasoline.

In general, vehicle fuel economy may decrease by about 3% when using E10 relative to gasoline that does not contain fuel ethanol. Last updated: March 29, 2017 To get enough votes to pass the 1990 Clean Air Act Amendments, Democrats led by Henry Waxman made a deal with the corn lobby. P In exchange for its support, Congressman Waxman committed to an oxygenate provisionessentially a mandate to blend corn derived ethanol into gasoline. As a way of disguising this requirement, Congress wrote the oxygenate provision in a way that made it part of a formula for gasoline government gas. P Section 211 (k) of the Clean Air Act spells out in detail specific component levels for gasoline. P Just think, lawmakers acting like chemists, telling refiners how to make gasoline. P Prior to the passage of the 1990 Amendments, it was clear that initiatives to improve air quality would mean that tailpipe emissions would become more stringent. P In anticipation, the oil and auto industries undertook the most extensive fuel-engine research program ever conducted.

P The objective was to determine the most cost-effective ways to meet lower emission standards and to provide research based data that could be used by government. P Since the mandate went into effect, almost 26 years ago, its cost has been about $200 billion or more. The two industries briefed Congress on the research and made one primary request:P set emission standards to achieve Clean Air Act objectives but give the two industries the freedom to determine how best to achieve them. P That request was rejected because of a deal with the corn lobby. Ever since then, motorists have been stuck with higher fuel costs and lower mileage, and consumers have been stuck with higher food prices. Corn production has continued to increase and Congress expanded the mandate to include specific volumes. P The cost of the ethanol mandate has been documented extensively as has the lack of real environmental benefits.

In 2015, the Manhattan Institute published a reportThe Hidden Corn Ethanol Taxthat concluded that in 2013 the mandate cost consumers $10. 6 billion. Since the mandate went into effect, almost 26 years ago, its cost has been about $200 billion or more. President-elect Trump has pledged to drain the swamp. P The ethanol mandate is a good place to start because it may be the most visible and lasting example of how crony capitalists create Baptist and Bootlegger schemes to enrich themselves with taxpayer dollars. P Ethanol manufacturers have perfected championing the environment with corn farmer support for both to get richer. P Bringing the ethanol mandate to an end would send a clear signal that campaign promises to take on crony capitalists was more than just rhetoric. P Changing the Washington culture has to break the link between special interests, lobbyists, lawyers, the alliance between Bootleggers and Baptists. Republished from.

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