Tesla Roadster: Mean machines go green

Kevin Grandia's picture

Find out about some of the new electric and hydrogen-powered cars that are competing with conventional vehicles.

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Companies like Shell Oil really need to give their eyes a rub and see that a world with serious constraints on greenhouse gas emissions is not a possible future, but an eventual reality.

Right now, oil companies are investing billions in long term plays in very carbon intensive fuels, like Canada's oil sands, while at the same time there are more and more signs that strict regulations on such operations are on the near horizon.

You don't need to look much further than...

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