Hydrogen Blowin' in the Wind
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GM realizes that without hydrogen from renewable resources, its dream of fuel-cell vehicles will remain a fantasy. In Autopia.
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EcoMotors is concocting an engine with two pistons in one honking cylinder. It harks back to what plane engineers tinkered with in the 1930s.
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A device that turns heat to sound and sound to electricity could power spacecraft.
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Instead of using a chemical rocket, SMART-1 fires a stream of electrically charged atoms of Xenon gas. A similar idea was used by the makers of Star Trek as part of the Starship Enterprise&#39;s propulsion system.
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Inside a physics lab at the University of Dayton Research Institute BBs are fired at 20,500 mph at spaceships. Sort of. The goal is to test the mettle of the composite fabric or aluminum skins on orbit-bound spacecraft.
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German luxury carmaker BMW unveiled the  world's fastest hydrogen-powered car at the Paris auto show on  Wednesday, dubbed the H2R, capable of exceeding 300 kilometers  (185 miles) per hour.
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UK scientists have developed a process for making hydrogen from sunflower oil which could prove an important future source of eco-friendly energy.
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The new pump at the Shell station on Benning Road NE in the District doesn't look much different from the others, but it represents a new concept in automotive technology: hydrogen power.
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The steam powered car that is aiming for a land speed record and an alternative fuel future.
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A new generation of cheaper and more efficient hydrogen fuel cells may bring the environmentalistsâ dream of affordable, green cars one step closer to reality.
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Long-lasting, rechargeable cell phone battery relies on hydrogen gas for power.
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A showcase hydrogen fueling station using technology from the Lehigh Valley opened Wednesday in Washington, DC, in a bid to convince Capitol decision-makers that hydrogen is America&#39;s most promising future fuel.
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Hydrogen is good, but biofuel is now, says biofuel exec.
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If you are going to depend on a windmill, it's best to find a windy place to put it. Companies that can assess a location's wind potential are in demand, and they are pushing the technology to predict shifting breezes. By John Gartner.
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Engineers designed the tank like a giant thermos, so it keeps the hydrogen cold without resorting to any cooling systems. From Crave, CNET's gadget blog.
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Science & environment: Is wind turbine that looks like a giant rotary washing line the answer to our renewable energy prayers?
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Hydrogen has zero greenhouse emissions when &quot;burned&quot; in the novel car engines now under development - but being a gas it is expensive to compress or liquefy.