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

Aptera hits a speed bump

While the streamlined, electric two-seat Aptera 2e may be one of the most efficient cars ever designed, the process of getting it to market is becoming a little less efficient. Original plans had the 2e going on sale this year, but the company said on Wednesday that the car will be available to consumers starting in 2010. No specific date was set.

AC Cars and Zagato launch 378 GT Zagato

AC Cars, working in collaboration with Italian design house Zagato, has announced its new sports car, the AC 378 GT Zagato. The launch was revealed at last week's Geneva motor show, where the production version of the Aston Martin V12 Zagato – which was, in fact designed in-house by Aston Martin in the UK – was being displayed on the British carmaker's stand. The car is instantly recognizable as a Zagato-designed car, with minimalist, organic surfacing and key features such as the C-pillar/rear window crossover.

GM will launch 60-day money-back guarantee

General Motors Co. is taking a page from the retail industry with its latest marketing blitz in an effort sell more cars: a 60-day money-back guarantee. The initiative--unorthodox for an automaker--starts Monday and covers 2009 and 2010 model-year cars from GM's surviving brands, Chevrolet, Cadillac, Buick and GMC.