Martyr Yamaha Outboard Engine Anode Magnesium Cm6aw4525100m on 2040-parts.com

Ariel Atom 3.5 (2012) first official pictures

It's difficult for Ariel to come up with a mid-life refresh for its cars - there simply aren't that many bits to fiddle with in the first place. Still, the boys from Somerset must have succeeded, because what we have here is the freshly updated Ariel Atom 3.5. As the name suggests, it's a development of the Ariel Atom 3, with a crop of minor visual  tweaks and some mechanical changes too, keeping Caterham and BAC looking over their shoulders.

2011 World Car of the Year: Three finalists – one’s not a car

Nissan LEAF in a bubble at Geneva It looks like the WCOTY (World Car of the Year) is infected with the same set of vested interest as the European Car of the Year – they’ve voted the Nissan LEAF as one of the three finalists. By any sane measure the Nissan LEAF is not a car. It is at best a very good second mode of transport for those who don’t seek value and live in an urban area.

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.