Avoid Ethanol When Possible Gasoline that has been cut with 10 or 15 percent ethanol, called E10 or E15, is an mpg killer. Why? Gasoline stores more energy t…

On a blackboard, it looks so simple: Take a plant and extract the cellulose. Add some enzymes and convert the cellulose molecules into sugars. Ferment the su…

Producing fuel from corn and other crops could be good for the planet—if only the process didn't take a significant environmental toll. New breakthroughs cou…

Growth of the corn ethanol industry in California is fraught with unintended consequences, none of which are beneficial to the economy or the environment of…

Ford vehicles were responsible for 25 percent of the carbon emissions from cars in the United States in 2004, and GM vehicles were responsible for 31 percent…