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Washington — The Environmental Protection Agency on Friday rejected a request from eight governors and nearly 200 members of Congress to waive requirements for the use of corn-based ethanol in gasoline...
Automakers have clashed with ethanol advocates and opposed boosting the percentage of ethanol. They argue that higher concentrations of ethanol in gasoline — which may be necessary in order to meet stepped-up minimums for annual ethanol usage — can harm engines in most vehicles on the road today.
This year, the Renewable Fuel Standard requires the use of 13.2 billion gallons of corn ethanol, the production of which could require using more than half the country's corn crop, up from 5 billion gallons in 2007.
Next year, the standard increases to 13.9 billion gallons. By 2022, the U.S. must use 36 billion gallons of biofuels, though 21 billion gallons are supposed to be from advanced cellulosic ethanol.
To meet the increasing amount of ethanol required under the law, the EPA has approved use of a higher blend of ethanol fuel called E15. It is 15 percent ethanol, up from the E10 at most pumps today. Just a handful of stations currently sell E15...
The more concentrated blend is only approved by EPA for vehicles from 2001 and newer, because automakers say E15 will corrode the older engines.
ixzz2CVnaCjLy
Automakers have clashed with ethanol advocates and opposed boosting the percentage of ethanol. They argue that higher concentrations of ethanol in gasoline — which may be necessary in order to meet stepped-up minimums for annual ethanol usage — can harm engines in most vehicles on the road today.
This year, the Renewable Fuel Standard requires the use of 13.2 billion gallons of corn ethanol, the production of which could require using more than half the country's corn crop, up from 5 billion gallons in 2007.
Next year, the standard increases to 13.9 billion gallons. By 2022, the U.S. must use 36 billion gallons of biofuels, though 21 billion gallons are supposed to be from advanced cellulosic ethanol.
To meet the increasing amount of ethanol required under the law, the EPA has approved use of a higher blend of ethanol fuel called E15. It is 15 percent ethanol, up from the E10 at most pumps today. Just a handful of stations currently sell E15...
The more concentrated blend is only approved by EPA for vehicles from 2001 and newer, because automakers say E15 will corrode the older engines.
ixzz2CVnaCjLy