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

VW Touareg BlueMotion Hybrid for Detroit

VW are revealing the 2010 Touareg at the Detroit Motor Show including a BlueMotion Hybrid VW are taking the whole ‘Eco’ game seriously. They are rolling out ‘BlueMotion’ versions of cars across the range at regular intervals, the most recent being the sub 100g/km Golf BlueMotion. But most of these are tweaks to the suspension, aerodynamics and ECU of existing diesels to coax the best returns on emissions and economy.

Bentley Continental (2012): new gearbox, Speed specs

Bentley is cutting the average CO2 output across its range, but don't worry; they're not cheating with a flying-B-badged VW Up (take note, Aston Martin-Toyota). Instead, Bentley's fitting a new gearbox to all new two-door Continental models. Meanwhile, we've got all the details on the fastest Bentley road car ever: the new Continental GT Speed.

Jaguar XJ Diesel – The Swansong plaudit

The Jaguar XJ 2.7 Diesel has won the 'Greenest Luxury Car' Award And although one of the strengths of Jaguar has been its heritage it has, to a degree, also become its Achilles Heel. The first Jaguar XJs were a triumph when they were launched in 1968, and put Jaguar leaps and bounds ahead of the German competition, in the same way Jaguar had taken the world by storm with the E-Type a few years before. But things started to fall apart for Jaguar in the ’70s with the fiasco that was British Leyland, and by trying to emulate Porsche by making each iteration of the XJ an evolution of the original all they managed to do was cement in the public mindset the failings of the XJ.