Experts at the World Health Organization aren't mincing words: the exhaust from diesel engines can cause lung cancer, and it's worse than secondhand smoke.
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Colleagues over at Motor Trend recently took the four-cylinder versions of the 2012 BMW 3 Series and Mercedes-Benz C-Class to task in its comparison series, Head 2 Head, on YouTube.
I like German cars, and I like hatchbacks, and needless to say, the world's highest-performing four-cylinder engine has its own allure.
Johnny Lieberman pits G-Wagen against G-Wagen in this new episode of Head 2 Head.