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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.

Megane Renaultsport 265 UK Price – starts at £24,825

The Megane Renaultsport 265 costs from £24,825 Renault has confirmed price and specification for the UK for the Megane Renaultsport 265 starts at £24,825 for the 265 Cup. Renault has now turned the limited edition Mégane Renaultsport 265 Trophy from last year in to the replacement for the Mégane Renaultsport 250, so you can now order up the Mégane Renaultsport 265 as a regular production model in either the Cup or standard version. Just like the 265 Trophy, the new 265 gets the wick turned up a bit to release 265PS (261bhp) which means an improvement of 0.1 seconds to 62mph and an extra 2mph on the top speed (now 158mph).

Koenigsegg's craziest supercar yet debuts at Geneva

Here's what you need to know about the Koenigsegg One:1. It weighs 1,360 kilograms; it produces 1,360 hp. One horsepower per kilogram, which is why mad scientist Christian Von Koenigsegg is absolutely justified in bragging about it: it's the world's first "mega car," he said.