The latest take on traditional business plan competitions aims to turn ideas for decreasing the use of fossil fuels into working businesses
Slide Show: Clean-Tech Competition Winners
Carmakers are turning to a range of different technologies to improve fuel economy. Why can't they agree on just one?
Slide Show: Today's Greenest Cars
Ethanol enjoys subsidies from Congress and has upped corn prices. The rush to alternative fuels has been unwisely skewed to this one industry. Pro or con?