Last week was a difficult one for Tesla. After the carmaker waged a public war of words with federal safety regulators, CEO Elon Musk picked a Twitter fight with a magazine and may have improperly revealed financial information.

General Motors has officially agreed to sell its Opel and Vauxhall brands to the PSA Group as the Detroit automaker attempts to stanch more than a decade of staggering losses in Europe.

If you’re looking for today’s cars with the lightest environmental footprint you should be looking for charge ports, not fuel tanks...

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