Buzz builds around electric cars as Nissan plans debut

As the Gulf of Mexico disaster casts an ugly spotlight on the pitfalls of global oil dependency, Japan's auto giants are moving into high gear in a drive to mass-market electric cars.

Faster searches key to a greener web

(PhysOrg.com) -- Faster internet search engine processors could be the key to reducing the environmental impact of the worldwide web, according to scientists at the University of Glasgow.

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