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

Porsche 911 GT2 RS (2010) first official pictures

You’re looking at the new Porsche 911 GT2 RS, not just the most powerful 911 that Porsche has ever built, but the company's most powerful road car period. The output from the GT2 RS’s twin-turbo flat six? 611bhp – 88bhp more than before. And as the new GT2 RS – there will be no ‘regular’ GT2 version – weighs 70kg less than its predecessor, that wholesome 611bhp provides this rear-engined monster will a stunning 446bhp/tonne.

New baby Jaguar saloon to be shown this summer

The new small Jaguar saloon out testing in ill-fitting XF camouflage Jaguar has made huge strides in the last few years and is now on the brink of being recognised, once again, as a major force. But so far Jaguar has been producing great cars in not the biggest-selling sectors, but that’s set to change with the new small Jaguar saloon (perhaps the Jaguar XS) which will be first shown this summer ahead of a 2015 launch. The new baby Jaguar will be entering a very competitive market place, taking on cars like the BMW 3-Series, Mercedes C-Class and Audi A4, so Jaguar are going to have to work hard to produce not only a credible car, but one that uses its ‘Britishness’ as its USP.

Mazda pushes fuel economy, plans a new engine by 2011

Mazda's push to increase fuel economy across its model line will include a new range of gasoline engines and may involve the introduction of diesel and idle-stop technology in the United States. Mazda is aiming to increase fuel economy across its global lineup by 30 percent by 2015. The first stage of that transformation will include the introduction of a more fuel-efficient four-cylinder powertrain in 2011.