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

Win a copy of Hans Mezger’s Porsche autobiography

Click here to win a copy of Hans Mezger's book. The new March 2012 issue of CAR Magazine features a 35-page Porsche special, led by our exclusive first ride in the new Boxster S. There’s also a 1400-mile American road trip in the latest Porsche 911, everything you need to know about the £645k 918 Spyder hybrid supercar, and your guide to buying the best used Porsches.

Subaru G4e

By Johnny Smith Motor Shows 24 October 2007 05:20 Are, in the words of Mr Numan, friends electric? Yes, Subaru has finally realised that nearly all of its range dishes out too much carbon and decided to save the flowers. Besides inventing the world's first production boxer diesel (due out 2008), it has lifted the lid on this electric concept, the G4e.

Jaguar Land Rover reveal more on the new Ingenium Engine range

Jaguar Land Rover reveal more on the new Ingenium Engine range Much has changed at Jaguar Land Rover in the last few years, with Land Rover’s model range undergoing a dramatic transformation with the Evoque, Range Rover and Range Rover Sport (and the new Discovery family on it way with the Discovery Sport) boosting sales and appeal. And the same is happening at Jaguar with the XF and XJ offering real competition to the German premium brands, the F-Type carving out a hugely appealing niche of its own and the new Jaguar XE on its way to take on the BMW 3-Series and Mercedes C-Class. But the missing piece of the puzzle is the introduction of a new range of engines developed and built by JLR to replace the still able, but bought-in, engines JLR currently use.