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

2014 Mercedes S600 revealed: Detroit Auto Show

2014 Mercedes S600 (pictured) revealed at the Detroit Auto Show With the new Mercedes S Class now out in the wild, Mercedes is continuing to add new models and this – the 2014 Mercedes S 600 – is the pinnacle of S-Class motoring – for now, at least. The 2014 (or 2015 for the USA) Mercedes S Class comes exclusively in long wheelbase size and get a 6.0 litre V12 planted under its bonnet that delivers 516bhp and a mighty 612lb/ft of torque at just 1900rpm. As a range-topping S-Class designed primarily for those who wish to be driven, rather than drive, the S 600 comes lavishly equipped with everything from Magic Body Control and LED headlights to Driving Assistance Package Plus and a whole raft of electronic aids including Active Lane Assist, Active Blind Spot Assist and Brake Assist plus Cruise that can actually steer the big Merc. Options will include everything from Nigh Vision to an Executive Rear Seat Package.

Green three-wheelers may get Energy Department funding

Aptera Motors, Elio Motors and other companies developing fuel-efficient three-wheeled vehicles got a boost from Congress this week in their quest for federal funding. Legislation to make three-wheeled vehicles eligible for Energy Department loans passed a conference committee of House and Senate leaders Wednesday and then got approval from the full House on Thursday. It is part of an energy spending bill likely to go before the Senate by next week for final congressional passage, a Senate aide said.

Ariel's Atom returns faster than ever

BRITISH firm Ariel has announced an upgraded version of its sensational Atom sportscar that is faster than ever, making it one of the quickest cars on sale today. The Atom 3.5R showcases a number of upgrades over the outgoing model which contribute to the sensational performance. The 2.0-litre Honda V-TEC engine has had its supercharger revised to give 350bhp and over 240lb.ft of torque, while the gearbox is now a six-speed paddleshift system that can manage five downshifts in less than a second.