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

Porsche 911 50 Years Edition (2013) at Frankfurt motor show

Here’s the inevitable special edition 911 to celebrate Porsche’s rear-engined icon’s half-century. The 911 50 Years Edition uses the Carrera 4’s 44mm-wider-than-standard body, rear-wheel drive and the Carrera S’s 395bhp 3.8-litre flat-six engine in either seven-speed manual or PDK form. In a nod to the 911’s birth year, only 1963 examples will be produced, each costing a cool £92,587 – a £10k premium over the Carrera S.

BMW works hard to avoid gas-guzzler tax

BMW AG hopes to get out from under the gas-guzzler taxes that are tacked on to the sticker prices of some of its high-performance models in the United States. Jim O'Donnell, president of BMW of North America, says the company is studying fuel-efficiency improvements that could eliminate the gas-guzzler taxes on its vehicles as early as the launch of their redesigns in the next few years. The 2010 550i GT incurs a $1,000 gas-guzzler fee, for example.

Mazda MX-5 (2012) facelift pictures

Updated 2012 Mazda MX-5s have begun rolling off the company's production line in Hiroshima, Japan. The updates improve brake and throttle reponse, pedestrian safety, and give the MX-5 a slightly wider-mouthed look. Give me the 2012 Mazda MX-5's details The more aggressive front grille design is more aerodynamically efficient, according to Mazda.