New 2004 Chevrolet Impala Owner's Manual on 2040-parts.com

Mercedes SLS AMG Roadster (2011) first official pictures

This is the Gullwing that isn’t, the new Mercedes SLS AMG Roadster. The new drop-top Benz supercar won’t be officially unveiled until the 2011 Frankfurt motor show in September, but this reveal of a barely disguised car is all part of the big PR tease – the SLS AMG Roadster has already briefly appeared in a Mercedes Superbowl ad. So what do we know about the new Mercedes SLS AMG Roadster?

Volvo 13-liter liquefied-natural-gas engine announced for North America

It comes as no surprise that, with rising fuel costs, companies are continuing their efforts to increase efficiency. Volvo Trucks, for its part, plans to launch a 13-liter liquefied-natural-gas engine for North America in 2014 and is set to develop a new form natural-gas fuel called DME, or dimethyl ether. Volvo looks to add the liquefied-natural-gas option to complement its compressed-natural-gas (CNG) offerings.

Audi ARE buying Ducati

Audi to buy Ducati Audi has entered in to an exclusive deal to buy supercar bike maker Ducati in a deal said to be worth €250 million. The ‘For Sale’ sign has been discretely above the door at superbike maker Ducati for some time, and the money has been on Mercedes snapping up some two-wheeled prestige to add to its four-wheel stable. But it now looks like Audi has beaten them to the prize and look set to buy Ducatti.