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

CAR tech: who's to blame for your car's terrible fuel economy?

In early 2013 Audi lost a case brought by the Advertising Standard Agency (ASA) because of ‘misleading’ fuel economy figures used in an advert, after a customer complained they couldn’t get anywhere near the 68mpg quoted. The court case once more exposes the yawning gap between officially sanctioned mpg figures and those experienced by owners. A recent study by the Independent Council on Clean Transportation (ICCT) looked at cars sold in the UK and Europe, and discovered the difference between official mpg figures and real-world driving had grown from 8% in 2001 to a barely believable 21% in 2011.

New Porsche 911 GT3 RS 4.0 revealed!

Pictures of the new Porsche 911 GT3 RS have leaked out on the Internet--and this street demon is expected to pack quite a punch. Displacement will grow to 4.0 liters, which helps to boost output to almost 500 hp. A version of this mill is employed in the competition version of this car as well.

Mazda 2 and Mazda Hakaze

By Ben Whitworth Motor Shows 08 March 2007 09:15 Lighter and smaller - now there's a change Mazda drew in the Geneva crowds with two key show cars – its sprightly new Mazda 2 supermini and the radical Hakaze crossover concept. In a world that’s piling on the pounds, the Mazda 2 bucks the trend – it’s smaller in all directions and weighs a full 100kg less than the outgoing model. The result is better emissions and economy, tidier handling and punchier performance, according to the spec sheet.