E15 cleared the final regulatory conditions imposed by the EPA in 2012, but its path to market has not been smooth sailing. Earlier this year, the Grocery Manufacturers Association filed a lawsuit against EPA, suggesting that the agency overstepped its authority under the Clean Air Act when it granted partial waivers allowing E15 to be used in certain engines. However, on August 17, the U.S. Appeals Court for the District of Columbia Circuit sided with the EPA, confirming its partial waiver approval for E15....
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