Coffee could power your car as well as your brain according to researchers writing in the Journal of Agricultural and Food Chemistry.

As the 111th Congress gets under way this week, the key task will be developing a fast-track economic stimulus program ? ideally one that emphasizes sustainability, says Leanne Tobias.

A Massachusetts firm says its new device called the Vegawatt can help restaurants save money by converting used vegetable oil from fryers into fuel to produce electricity and hot water.

The world's cheapest car might be available with micro-hybrid technology, which cuts fuel use when vehicles idle.