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

Is the V8 a dying breed? Auto engineers expect more turbos, smaller engines

The V8 engine, a symbol of power and prestige for more than a century, is looking more and more like an endangered species. A panel of powertrain experts speaking on Tuesday at the 2009 SAE World Congress painted a bleak picture for big engines in this era of tightening emission standards and volatile fuel prices. But smaller engines will not mean drivers have to give up performance.

Peugeot 508 – Price & Spec detail

Peugeot 508. Prices start at £18,150 Three months on from the public debut of the Peugeot 508 at the Paris Motor Show – and three months before it hits the road in the UK – Peugeot has dropped us details of the model and engine range – and the all important Peugeot 508 prices – to help buyers find a reason to toddle off to their local Peugeot dealer and stick an order in. This early – and without having driven the 508 – we can’t say if it’s a good car or not.

On video: the world's fastest truck

This is one lorry that you wouldn't get stuck behind on the motorway - Shockwave is the world's fastest jet-powered truck, with a top speed of almost 400mph. Based on a Peterbilt Semi, the four-ton beast generates 36,000hp and can cover quarter of a mile in six and a half seconds. Power comes from three Pratt & Whitney J34-48 jet engines, each of which produces 12,000hp.