Renewable energy sources—it was once the hottest topic in the media when gasoline prices were soaring uncontrollably, and politicians weren't worrying about the falling economy. The price-per-gallon ...

We had no idea that what’s needed to convert an internal combustion engine to steam power is actually rather trivial. [David Nash] shows us how it’s done by performing the alterations on the engine of ...

PARIS, March 30 (Reuters) - Sales of kits that let gasoline engines run on ethanol are surging in France, as drivers switch to using the sharply cheaper crop-based fuel at a time of soaring oil prices ...