02 03 04 05 Audi A4 B6 / 04-05 Audi S4 Front Sport Mesh Grill on 2040-parts.com

Concept Car of the Week: Opel CD (1969)

Despite its sophisticated suspension and spacious interior, Opel struggled to sell its big Diplomat luxury sedan. It was 1968 and Opel simply couldn't compete with Mercedes-Benz, the leader in that segment by far. Bob Lutz, then a young executive at GM Europe, thought of using the sedan's chassis to create a large GT Coupe in an attempt to boost both its sales and profile.

Infiniti Emerg-E range extender electric sports car at Geneva

The Infiniti Emerg-E will debut at Geneva 2012 The Infiniti Emerg-E – an electric sports car with a range extender engine – will debut as a concept at the Geneva Motor Show. Infiniti has been teasing the new range extender concept sport car they are taking to Geneva for the last month or so, with the usual teaser photos and dearth of real detail. But now we know a bit more, but at least we now know what it’s called – the Infiniti Emerg-E.

GM claims 23-mpg average in E-ROD 1955 Chevrolet Bel Air

First introduced in 2009, the GM Performance Parts (GMPP) E-ROD program was born with the mission of creating fuel-efficient, emissions-compliant engine packages for hot-rodders. Now the program is back in the news as GMPP claims that an E-ROD-powered 1955 Bel Air returned 23 mpg on a trip from Michigan to Florida while producing emissions comparable to those of a new Camaro SS. All of that green doesn't come inexpensive--or easy.