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CAR tech: Audi's miracle e-fuel (2013)

Global warming; sky-high oil prices as reserves peak; spiralling crop prices and intense pressure to find fertile land – society faces immense challenges, as it strives to protect the planet and keep our cars on the move. Audi is working on a miracle fuel that could help mitigate these problems, in a facility under construction in the uncompromising, scorching environment of New Mexico, USA.  Not content with having a range more diverse than London’s World Pride parade, Audi is moving into the fuels business, in partnership with US biotech firm Joule Unlimited. The pair are developing carbon-neutral synthetic fuels, called e-fuels in keeping with Audi’s E-tron eco brand.

BMW X3 gets a turbo four-cylinder

BMW is expanding the use of its N20 turbocharged four-cylinder engine by making it the base powerplant for the 2013 X3 SUV. The X3 xDrive28 will use the twin-scroll turbocharged 2.0-liter engine that produces 240 hp and 260 lb-ft of torque. Twin-scroll turbocharging means that the exhaust stream of cylinders one and four follow a separate path to the turbine wheel from cylinders two and three.

Ayrton Senna's Toleman Formula One car to be auctioned at Silverstone in May

Several impressive lots are set to cross the block at Silverstone Auctions' Spring Sale, scheduled for May 16 at Silverstone Circuit in Northhamptonshire in the United Kingdom. By far the most impressive is a Toleman TG184-2 Formula One race car driven by Ayrton Senna in his first F1 season. The car is best known for Senna's second-place finish at the rainy 1984 Monaco Grand Prix.