General Motors Corp. Chairman-CEO Rick Wagoner on Sunday announced that the automaker has purchased an equity stake in Coskata, a Warrenville, Ill.-based company that plans to produce ethanol from crop wastes, wood chips, scrap plastic, rubber and possibly municipal garbage. Coskata's ethanol-making process seems to require less electricity and natural gas and would release less carbon than other biofuel-producing techniques.

Full Story:

Related Summaries