Of the 12.778 million light vehicles sold in the U.S. last year, a modest fleet-wide efficiency improvement of one half mile per gallon totaled a savings of $722 million at the gas pump. It also reduced the U.S. millions of barrels a day consumption habit by 214 million gallons of petrol, according to analysts at TrueCar.com. Divided among those cars and light trucks that’s roughly $60 each.

For months now, rumors have been circulating that Mercedes-Benz was working on a carbon-fiber-bodied sedan based on the E-class that would reduce weight radically while improving performance and fuel efficiency. Enter the Mercedes E Superlight, which will first release as a production hydrogen fuel cell vehicle (HFCV) in 2015.

If you are headed to Detroit this weekend (or already there), then you are likely overwhelmed at the huge size of the show and how impossible it can seem to see everything. Don't fret, here is a short list of concepts that anyone attending the show must check out.

More than pretty faces, Auto Show models play a crucial role in representing carmakers. Here is the story of one of these unsung Toyota specialists.

The star at the Gooding and Company in Scottsdale, Arizona on 20 and 21 January, 2012 auction this year will no doubt be this rare and unique 1956 Ferrari 500 Testa Rossa.

The 2013 model year will mark the 60th anniversary of the fabled Chevrolet Corvette and to mark the occasion, General Motors will offer the 2013 Corvette 427 Convertible Collector’s Edition – the most capable, most powerful and most likely the fastest droptop Corvette built in the 60 year history of the ultimate American performance car.

The ActiveE is phase two of BMW's project i which is developing an electric car technology leading to launch of the BMW i3 and i8 in 2013.

For over 35 years, the BMW 3 Series has been one of the top selling cars in its segment, thanks to the primal DNA that makes it a BMW, even though its face may change over time.