why do they add ethanol to 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 I agree that we need to be more environmentally conscious.


But it seems the change from gasoline to E85 is much more political than health conscious. For each gallon of ethanol created there is a tax break of $0. 51 that comes from the. This is a guaranteed amount, it reminds me of a corn farmer outreach system. It will be interesting to see if this will perpetuate an increase in corn prices by creating a static demand for corn. Another interesting fact is that sugar cane is actually a much more cost efficient resource for creating ethanol. Six times more efficient, actually. But since America does not grow it we have placed a $0. 54 tariff on sugar ethanol imported from Brazil. This leads to using the more inefficiently produced corn ethanol. And creates more jobs for the American people. The bad part is that we. This reminds me about the United States penny. We use something that holds a value of $0. 01 but it costs $2. 41 to produce a penny. What I do not understand is with a tax break being issued for ethanol we set a minimum value on corn. Which increases the cost of corn for food production. Sooner or later the price of the tax break will increase, and thus increase food production - etc.


And if you have agricultural animals, you know that prices have jumped over the last couple years. Even bird seed has increased quite rapidly. President Obama is requiring that automobiles have the flex-fuel option in hopes that people will use this option. The more people who use this option means that we will use a greater percentage of the national corn yield towards ethanol gas. And this increases the cost of food products, which creates competition for the ethanol fuel. Notice that this is the second time that I have mentioned this - it is important. And 328 gallons of ethanol can be created from 1 acre of land. So in 2011, with the total acreage of land used for corn puts the United States at a total of 23,845,600,000 gallons of ethanol in one year of 100% of all corn is put towards ethanol. If we changed over to E85 we could produce 27,422,440,000 gallons of E85 if there was no waste. In 2005, the United States consumed 386,000,000 gallons - a day. So if we used all of our corn towards creating E85 fuel, we would be self-sufficient, for 71 days.

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