Politicians say Madrid's shared electric bicycle scheme, due to launch this month, can change the lives of citizens—but others warn it will put their lives in danger.
Energy & Green Tech
May 5, 2014
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Is it a bike? Is it a plane?
Engineering
Jun 12, 2013
23
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(Phys.org) —More powerful batteries could help electric cars achieve a considerably larger range and thus a breakthrough on the market. A new nanomaterial for lithium ion batteries developed in the labs of chemists at ETH ...
Nanomaterials
Apr 8, 2013
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A novel rotary actuator provides greater torque, accuracy, and speed.
Engineering
Mar 25, 2013
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While developing an electric bicycle for his San Rafael, Calif., company, Marcus Hays had planned to insert a battery into one of the bike's supporting tubes. But then he did an analysis of his concept with three-dimensional ...
Engineering
Feb 13, 2013
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Transportation of the two-wheeled variety is sharing the floor at the Detroit auto show with the latest cars, trucks and concept vehicles, a nod to the potential marketing boost that bikes may offer for automakers.
Energy & Green Tech
Jan 16, 2013
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A broken-down vacuum cleaner, an old bicycle, a torn shirt ... almost nothing is impossible to fix for a group of crafty Dutch volunteers dedicated to giving potential trash a second lease of life.
Other
Mar 15, 2012
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Recent graduates of the UA McGuire Entrepreneurship Program have launched Velocis, a company that promotes environmental sustainability and healthful living through use of custom-designed electric bicycles.
Engineering
Dec 21, 2011
2
0
City centers could become virtually car-free over the next 20 years under new plans proposed by University of Leeds transport researchers.
Energy & Green Tech
Oct 20, 2011
37
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Claiming to have developed "the most energy dense power solution for electric bicycles," SiGNa Chemistry, Inc., is hoping to greatly improve not only electric bicycles, but many other electric applications. The New York City-based ...
