Munich, Germany - Okay folks. The time has come for us North Americans to finally retire that tired old song about diesel-powered cars being noisy, smelly and gutless. Sure, the late-seventies Oldsmobile diesel was a piece of crap, and the similar vintage diesel Rabbit sounded like a blender full of marbles and smoked like a Russian sailor. But those days are gone. It's time to wake up and smell… well, nothing. BMW invited a few journalists to Munich to sample a selection of cars powered by their powerful, squeaky-clean and efficient 3.0-litre variable twin-turbo diesel straight-six. Does an engine that generates 286 horsepower, 427 lb.-ft. of torque and meets Bin 5 emission regulations while sipping 25% less fuel (and thus emitting 25% less CO2) than a comparable gas-powered engine sound interesting? You bet. Full Article