U.S. EPA Removes Restrictions on Year-Round Use of Higher-Ethanol Fuels
The U.S. Environmental Protection Agency finalized regulatory changes allowing the sales of E15 gasoline, a fuel blend of gasoline and 15 percent ethanol, during summer months, according to a May 31 news release. The move expands the waivers for “Reid vapor pressure,” a measure of gasoline volatility, which currently applies to E10 blends to E15…











