Silicon Nanopores Pack More Punch Into Batteries
 

Researchers at Rice University find that copying sponges, not mops, can make better lithium-ion batteries.
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Ginormous Traffic-Swallowing Straddling Bus Headed to U.S.
 

It's one part monorail, one part monster truck and one part "WTF?", but the Chinese company behind this wild bus sees a market in the United States.
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Calculate Your Car's MPG
 

Poor fuel economy can be a symptom of car trouble or driver trouble. Recognizing poor fuel economy requires that you have an idea of what your mileage should be. Pen and paper are old news, so here are some high-tech solutions.
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Volvo Promises to 'Set the Standard' for EVs
 

Volvo has been quietly but diligently working on an electric and a plug-in hybrid and says cars with cords will be a big part of its future.
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Proving the Merits of Green Racing
 

Argonne National Laboratory and <em>Circle Track</em> magazine build an E85-burning circle track-racing Camaro to prove "green" and "racing" aren't mutually exclusive.
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Exclusive Hands-On: E-Plane Flies Silent, Flies Steep
 

Flying the e-Spyder is just like flying any other ultralight. Only better.
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Mercedes Dreams of Rickshaws and Cars Knit by Robots
 

All of the entries in the L.A. Auto Show Design Challenge are pretty far out, but even by that standard Mercedes-Benz has some weird ideas.
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