Acdelco 10269280 Power Antenna on 2040-parts.com

NHTSA upgrades probe into Jeep fuel tanks

The National Highway Traffic Safety Administration has upgraded its investigation into the fuel tank on three Jeep models to an engineering analysis, another step toward what could become a recall. Safety advocates say the location of the fuel tank, mounted behind the rear axle, makes it prone to catching fire in the event of a rear crash. The investigation covers Jeep Grand Cherokees built between 1993 and 2004, Jeep Cherokees built between 1993 and 2001, and Jeep Liberty SUVs built between 2002 and 2007.

This Mercedes turns up the heat -- in your house

Mercedes-Benz brought some interesting and unusual examples of in-car connectivity tech to Las Vegas, partnering with some trendsetters in the electronics game -- namely, Nest Labs, Pebble, and Google. The connectivity and app technology will eventually make its way into the C-, the E- and the S-slass. Get it?

Video shows Chevrolet Camaro ZL1 lapping the N

General Motors has been in Germany, testing the most powerful Chevrolet Camaro ever produced. On Wednesday, the company said the Camaro ZL1 posted a lap time of 7 minutes, 41.27 seconds. The 2012 Camaro ZL1 ran around the 13-mile course a tick faster than the 2005 Porsche 911 GT3 and a tick slower than 911 Turbo S.