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The thinking man’s M3: Alpina D3 Bi-Turbo is world’s fastest diesel production car

German tuning firm Alpina has been tweaking BMWs since it started back in 1965 – in fact, it helped BMW develop the legendary 3.0 CSL, so it seems it knows its onions. However, its latest effort is something a little different. Not quite a conventional performance car, the 2013 Alpina D3 Bi-Turbo is actually the world’s fastest diesel production car, according to the firm.

Volvo C30, Ford Focus fare well in insurance-group crash tests

Four two-door cars received the highest safety rating in frontal crashes and two received that rating for side collisions in recent testing by the Insurance Institute for Highway Safety. The institute gave its "good" rating in side crashes to the Volvo C30 and two-door Ford Focus. Those vehicles, along with the two-door Honda Civic and Chevrolet Cobalt, also received "good" ratings for frontal collisions, the non-profit group funded by auto insurers said.

Infiniti Q50 Eau Rouge concept gets boosted at Geneva

The Infiniti Eau Rouge concept has received a boost in performance since the Detroit auto show. A 3.8-liter twin-turbocharged V6 mated with a seven-speed gearbox now sits underhood. That engine seems mighty familiar.