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

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.

MINI confirms details of engines for new 2014 Cooper and Cooper S

MINI MINI has confirmed a slew of technical details for the next-generation MINI family, the first of which will be shown later in autumn 2013. A mix of three- and four-cylinder engines will be available in the new MINI, all sporting the latest tech to keep the brand's fun quotient up and fuel consumption and emissions down. So turbocharging is common across the range, and petrol engines employ direct fuel injection for precise metering of unleaded.

Volkswagen Beetle Dune Concept heading for Detroit

Volkswagen Beetle Dune Concept (pictured) heading for Detroit The original VW Beetle was a perfect candidate for a Dune Buggy, and many old VWs were converted to blast across sand dunes around the world. VW had a bash at their own Dune Buggy back in 2000, but now, ahead of a reveal at the Detroit Auto Show next week, we have what looks like a buggy from VW that could actually be heading for production – the Volkswagen Beetle Dune Concept. VW has revealed a single image of their Beetle Dune Concept (above) that shows a jacked-up Beetle with big wheels and tyres, a ski rack on the back and a bit of cosmetic titivation.