News tagged with alternative fuel sources

Spanish solar energy: A model for the future?

There is no free fuel. Whether you drill for and refine oil, or manufacture and maintain a panel to collect solar energy and convert it into electricity, it takes energy to make energy. In Spain's Photovoltaic Revolution: Th ...

Mar 04, 2013
4.8 / 5 (4) 0

Navy tests ocean drones off US coast

Just beneath the placid, sailboat-dotted surface of Narragansett Bay, torpedo-shaped vehicles spin and pivot to their own rhythm, carrying out missions programmed by their U.S. Navy masters.

Aug 08, 2012
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A 'natural' solution for transportation

As the United States transitions away from a primarily petroleum-based transportation industry, a number of different alternative fuel sources—ethanol, biodiesel, electricity and hydrogen—have each ...

Feb 03, 2012
3.5 / 5 (8) 22