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Electric cars can become electricity banks

Ever try to store electricity? It won't stay in a bottle, and you can't keep it in your sock drawer. So when you have a lot of it--say, when it's windy and your wind turbines are really spinning, or when it's sunny and your gallium arsenide photovoltaics are lighting up, or at night when the utility's generators can run unhindered--you have to store it somewhere.

Nissan Leaf Revealed – 3 more Electric Cars to come

The Nissan Leaf revealed at Tokyo Not surprisingly, Carlos Ghosn – Nissan’s boss – has revealed that Nissan are working on a range of electric cars to be released in the next few years. Considering Nissan partners with Renault, and Renault announced something similar at Frankfurt, it’s not a huge shock toi the system that yet another car maker is going to churn out a range of EVs. First up is the Leaf, with Nissan aiming to launch an electric version of their NV200 van later in 2010.

Volvo tests flywheel technology to cut fuel use

Volvo is testing flywheel technology--being used in Formula One racing to give cars an extra boost--as a technology that could help cut fuel use in future cars by as much as 20 percent. Flywheels recapture energy normally lost as heat during braking. That energy can then be used to help propel the car.