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

2015 Porsche 911 Carrera GTS revealed – but not in Paris. Costs from £91,098

The new 2015 Porsche 911 Carrera 4 GTS (pictured) now on sale We had assumed that the lack of an appearance at the Paris Motor Show for the new Porsche 911 Carrera GTS meant Porsche had decided to leave the official reveal until later in the year. But here it is, and it’s going straight on sale. Having waited almost until the end of the 997’s life before launching a 911 GTS, this latest GTS is arriving much earlier in the 991’s lifecycle than you’d expect.

Doomed Saturns, Hummers make assembly-line curtain calls

Two doomed General Motors brands--Saturn and Hummer--are getting their last hurrahs on the assembly line. GM assembled 1,037 Saturn Outlooks last month after not making any Saturns since October. “We are building out a few Saturns to utilize existing material,” GM spokeswoman Kim Carpenter said.

Honda fires new F1 engine for first time

EVEN BEFORE the 2013 Formula 1 season has ended preparations and development are already well under way for next year, especially so because of a radical change to the rules. From 2014 all cars will be powered by small 1.6-litre turbocharged V6 engines, signalling the end of the current 2.4-litre non-turbocharged V8 engines, bringing them closer in basic layout - if not output - to normal road car engines. For Honda 2015 is a return to the sport in partnership with McLaren, and the Japanese firm's engines will power the 2015 McLaren challenger.