Ethanol has become a major part of America's energy landscape. It was first used in cars, and is now mixed into most gasoline sold in the U.S. This rise has been driven by environmental concerns, ...

If legend is to be believed, three disparate social forces in early 20th-century America – the temperance movement, the rise of car culture, and the Scots-Irish culture of the South – collided with ...

Folks have been experimenting with ethanol in modern combustion engines even when they weren't so modern. Nicolaus Otto, the inventor of the traditional four-cycle engine, used it to power one of his ...