Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

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.

Jaguar moves advertising to start-up agency – Spark44

Jaguar moves its advertising to Spark44 Advertising in the car world – actually, any world – is moving faster than it ever has. The Interweb has changed the established dynamic so much that traditional advertising - and traditional advertising agencies – struggle to know how to operate. Print advertising for car makers makes much less sense than it ever did, even though many cling to it like a comfort blanket.

HBH tunes an Aston Martin V12 Vantage into the Bulldog GT

We love one-off specials here at Autoweek almost as much as we love the supercars upon which they're based. And if you're a tuner trying to pick a good chassis, we can't think of a much better place to start than the Aston Martin V12 Vantage. That's what Danish company HBH did for its Bulldog GT.