VW Up Taxi Concept (2010): first official pictures

Volkswagen has shown off its Up Taxi Concept at a special unveiling in London today. The Up Taxi is VW's vision of a quirky and environmental rival to the classic London black cab, the Hackney carriage, and offers a very good idea of what the Up will eventually look like. The concept has luxurious leather seats and big touchscreens in the front and rear.

2015 Chevrolet Tahoe PPV will look mean in your rearview mirror

We weren't particular surprised by Chevrolet's unveiling of a Tahoe Police Concept Car at SEMA, as it seemed a perfectly natural use for the truck, and we weren't surprised today when news broke that the Tahoe was going to be offered in law-enforcement spec to police agencies around the country. With stiff competition from the Dodge Durango and the tremendously popular Ford Explorer PPV, a cop-spec 2015 Chevrolet Tahoe, makes perfect sense. The Chevrolet Tahoe PPV will debut with the new fuel-efficient 5.3-liter direct-injection V8 engine, which produces 335 hp and 383 lb-ft of torque.

Fuel-economy standards rise to 27.3 mpg for 2011 model year

Fuel-economy standards for all light vehicles will rise 8 percent, to an average of 27.3 mpg for the 2011 model year, under new U.S. rules issued on Friday. The regulations will use a new system that sets standards for individual models based on their size.