E10 gasoline now standard, but E15 push stalled, so here comes E30

Big square baler harvesting wheat straw for production of cellulosic ethanolThough the Environmental Protection Agency has already ruled on ethanol-blended gasoline mixtures for 2018, that hasn't stopped ethanol advocates from pushing for a higher 30-percent blend for non-flex-fuel vehicles. The latest call for ethanol comes from corn-state ethanol refiners, farmers, and an ethanol-producer trade association, all of whom...

Proposed ethanol cuts bring EPA up against Iowa’s powerful politician

Big square baler harvesting wheat straw for production of cellulosic ethanolFollowing years of debate, the EPA said earlier this month it will study the possibilities of cutting the amount of ethanol in the United States' gasoline supply. Since 2007, the Renewable Fuel Standard (RFS) has required growing amounts of ethanol to be blended into U.S. fuel supplies, with E10—a mix of 10 percent ethanol and 90 percent...

EPA to study cutting amount of ethanol in U.S. gasoline

FlexFuel badge on E85-capable 2009 Chevrolet HHRSince 2007, the Renewable Fuel Standard has required increasing levels of ethanol in gasoline blends sold in the U.S. Most fuel stations across the United States no longer offer pure gasoline, with E10—a blend of 10 percent ethanol and 90 percent gasoline—prevailing. After years of debate, the EPA has now announced it will study the...

Is ethanol-free gasoline heading for the end of the road?

Non-ethanol gasoline pumpThe U.S. Environmental Protection Agency (EPA) is struggling with Congress and various corporate interests over the amount of ethanol that will be blended into the U.S. fuel supply. The Renewable Fuel Standard in place since 2007 calls for specific volumes of ethanol, but critics have tried to cap that amount while the EPA has tried to maintain or...

EPA boosts required 2017 ethanol volume above expected level

Big square baler harvesting wheat straw for production of cellulosic ethanolDespite pressure to lower the amount of ethanol blended into the U.S. fuel supply, the Environmental Protection Agency (EPA) has boosted its proposed ethanol volume for 2017. Under the Renewable Fuel Standard enacted in 2007, specific quantities of ethanol must be blended the national fuel supply. Recently, critics have tried to cap that amount...

Bill to cap ethanol in U.S. fuel supply gains momentum

U.S. Capitol BuildingEfforts by the U.S. Congress to cap the amount of ethanol blended with the U.S. fuel supply appear to be gaining momentum. The current Renewable Fuel Standard, passed as part of the 2007 Energy Independence and Security Act, has proven increasingly unpopular among certain legislators. But ardent support from the renewable-fuels industry and the...

Fuel from emissions? Catalyst converts carbon dioxide to ethanol

2011 Buick Regal flex-fuel badgeAt least in North America, ethanol is a contentious fuel. A decade ago, it was seen as a homegrown and carbon-neutral way to use less gasoline—and federal legislation mandated that increasing volumes be blended into U.S. fuel supplies. Much debate followed over using "food for fuel," its supposed carbon neutrality and the footprint of the...

EPA proposes to add more ethanol blends to ‘Flex Fuel’ category

FlexFuel badge on E85-capable 2009 Chevrolet HHRBack in 2007, the Energy Independent and Security Act included a Renewable Fuel Standard intended to boost adoption of lower-emission alternative fuels. It mandated increasingly-large amounts of ethanol to be blended with the U.S. fuel supply. Just under a decade later, the legislation has attracted criticism from both opponents of ethanol and the...