Coming to a city near you soon: By adding giant flywheels to subway systems, cities are able to harness the power created by thousands of braking trains, using it to accelerate other trains or feeding it back into the grid. READ»
Renault just pulled the covers off its technology demonstrator Be Bop Z.E. all-electric car. It's going to tour Europe to show off its cleverness, and its drive train will actually end up in future Renault EVs from 2011 onwards.As it ...READ»
