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

Aston Martin Rapide S (2013) first official pictures

Aston Martin has turned the wick up on its Rapide super-saloon for 2013, turning it into the faster, restyled Rapide S. Power is up by a substantial 80bhp from the old Rapide, and there's also been a heftier facelift than we're used to from Aston. The Aston Martin Rapide S has 80bhp more?

Megane Renaultsport 265 UK Price – starts at £24,825

The Megane Renaultsport 265 costs from £24,825 Renault has confirmed price and specification for the UK for the Megane Renaultsport 265 starts at £24,825 for the 265 Cup. Renault has now turned the limited edition Mégane Renaultsport 265 Trophy from last year in to the replacement for the Mégane Renaultsport 250, so you can now order up the Mégane Renaultsport 265 as a regular production model in either the Cup or standard version. Just like the 265 Trophy, the new 265 gets the wick turned up a bit to release 265PS (261bhp) which means an improvement of 0.1 seconds to 62mph and an extra 2mph on the top speed (now 158mph).

London's GPS-based speed-limit trial puts Big Brother's foot on the gas pedal

A fleet of 12 Toyota Priuses in London have been fitted with GPS-linked speed limiters to measure how drivers respond to having their speed controlled by a computer rather than their own feet. For now, the trial is local to London, run by Transport for London, the agency that manages the city's roads, buses, subways and trains. The agency is using its own fleet of Priuses for the test and will add a bus and a taxi later this year.