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

Report: Gasoline engine has big bang for the fuel-economy buck

A government report says improving the gasoline engine will yield huge gains for the consumer and the environment as automakers consider ways to improve fuel economy over the next 14 years. The Obama administration's technical assessment looked at four technology scenarios by which automakers might attain suggested CAFE goals of 47 to 62 mpg for cars and light trucks by 2025. The scenarios differed by the portion of an automaker's fleet that was accounted for by electrics, hybrid electrics and plug-in hybrid electrics.

BMW ready to shift small coupes, convertibles to even-number nameplates

Reports in Europe say that BMW is planning a shake-up in the naming strategy for its smaller coupes and convertibles, as well as planning to shift its 1-series cars onto a front-drive platform. The nameplate shake-up will have coupe and convertible variants of the 1-series become the 2-series, while coupe and convertible variants of the 3-series will become the 4-series. The changeover is expected to start in 2013, according to a report on the Web site of Car magazine.

2014 Corvette Stingray twins spotted in the wild

Sure, we've seen the new Corvette Stingray, crawled all over the C7 at car shows, seen interior 360 videos of it and maybe, just maybe, had some time behind the wheel (you'll know soon enough). But there's something special about spotting the car on public roads -- there's something even more special about spotting a pair of them nose-to-tail in rush-hour traffic. The new Corvette in front appears to be Crystal red tintcoat, a darker, extra-cost color.