Coleman Jones

Mid-level ethanol blends such as E12, E15, E20 and even as high as E40 have garnered a lot of attention lately. Mainly because ethanol producers want a quick and easy way to soak up a surplus of ethanol that will soon reach the saturation point for the current supply in the marketplace. Under current federal law, conventional fuel cannot contain more than 10 percent ethanol, known as E10, but proponents for higher mid-level blends would like to replace the current gasoline mixture with higher levels of ethanol, which would change the fuel used in vehicles and small engines. GM's concerns with higher ethanol blends include the capability of our engines and fuel systems to handle them...