Aem Cold Air Intake System - Aem-21-415b on 2040-parts.com

Audi A3 E-tron concept (2011) first official pictures

This is the Audi A3 E-tron concept, just unveiled alongside the new Q3 SUV at the 2011 Shanghai motor show. It’s Audi’s second A3 concept car in the space of two months – the first was a 402bhp super saloon, but this is a little more eco-conscious, with a plug-in hybrid powertrain – but both preview how the next A3 will look. Does this new Audi A3 E-tron concept still use the first concept's turbocharged 2.5-litre five-pot engine?

Win two signed Jenson Button mini crash helmets!

CAR has teamed up with McLaren sponsor Santander to bring you the chance to win one of these ace souvenirs – plus loads more prize opportunities including tickets to next year's British Grand Prix. To win one of the helmets simply answer this question: In which year was Jenson Button crowned F1 World Champion? Click here to enter For more great prizes – including signed merchandise from Lewis and Jenson, VIP tours of McLaren's HQ and 2012 weekend GP tickets  – click on the link below and check out the Competitions tab on Lewis and Jenson's Facebook page.

Groups form coalition in effort to replenish the Bonneville Salt Flats

An effort to save the historic Bonneville Salt Flats in Utah is under way with a salt replenishment program to permanently preserve the land. The national landmark is an essential piece of American motorsports heritage, as scores of world land-speed records have been set on the unique formation. The densely packed expanse of land is the dried remnants of a huge prehistoric lake.