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

New Infiniti Q50 2.0 litre Turbo – Price from £31,755

New Infiniti Q50 2.0 litre Turbo costs from £31,755 The Infiniti Q50 should be Infiniti’s best chance to convince buyers Infiniti is a viable option in the premium sector and a sensible alternative to the BMW 3 Series. That perception will be helped – a bit – by the arrival of the Infinito Q50 with another engine option, this one a 2.0 litre Turbo petrol with 211 bhp, which comes with a seven-speed automatic as standard. Oddly, Infiniti are shy of delivering any performance or economy data for the new 2.0 litre Turbo, so we’re guessing the figures don’t really impress too much.

GM technology chief Tom Stephens to retire

Tom Stephens, GM's vice chairman, chief technology officer and former head of global product operations, will retire on April 1 after a 43-year career with the automaker. His successor will be named later, GM said Sunday. Stephens, 63, has served as GM's chief technology officer--a new position--since Feb.

Daimler-Renault alliance to delay new Smart and Twingo models, report says

Renault SA and Daimler AG, who are sharing technology to build the new Smart ForTwo and Renault Twingo cars, will delay the introduction of the models by a year, according to a French newspaper. The cars will now come to market in 2014 instead of 2013, La Tribune said, citing industry sources. The next ForTwo and the third-generation Twingo will be built on Renault's A platform, with ForTwo production continuing at Smart's plant in Hambach, France, and Twingo output at Renault's Novo Mesto factory in Slovenia.