In boost for farmers, Trump says he may allow E15 gasoline sales all year Maddie Mckinley / Friday, April 13, 2018 0 1672 Article rating: No rating WASHINGTON (Reuters) - U.S. President Donald Trump said on Thursday his administration may allow the sale of gasoline containing 15 percent ethanol year-round, which could help farmers by firing up corn demand but faces opposition from Big Oil. Read more