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Jaguar XF Diesel S (2008): first details

By Tim Pollard First Official Pictures 29 December 2008 00:31 Jaguar today announces a family of new higher-powered diesel engines, led by a rapid 271bhp version of the derv XF that's aimed squarely at the BMW 535d. It's the fastest diesel Jag ever – and will also slot into the XK coupe and cabrio.The diesel work-out is good news for the XF – today's 2.7-litre V6 turbodiesel doesn't have the clout to mix it with the best German engines. We've already complained about the slothful performance of our long-term test XF and the new, bigger 3.0-litre oil-burner should answer such criticisms.

2015 Chevrolet Corvette Z06 packs 650 hp, 650 lb-ft of torque

Based on the well-balanced and infinitely enjoyable C7 Stingray, we knew the 2015 Chevrolet Corvette Z06 was destined to be great. And powerful. Only, we weren't sure exactly how great or powerful, since we haven't driven it, and Chevrolet has so far been tight-lipped about the exact output figures.

GPS signals trump cellular in FCC battle

Bandwidth has become a precious commodity. Just ask any owner of a car that has an analog OnStar system that wound up being a useless brick when digital cellular signals were declared to be the only game in town. LightSquared, a company that grew out of the satellite-communications industry, is banking that the chunk of spectrum it holds the rights to will help smaller, regional competitors compete with the big wireless providers.