Buick 24506756 Genuine Oem Factory Original Serpentine Idler Pulley on 2040-parts.com

One Lap of the Web: Humvees, abandoned Ferraris and a Volvo collection

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Auto Blog drives a military Humvee that's fully armored for duty in combat zones, weighing in at 14,400 pounds.

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.

Audi A4 2.0 TDIe Revealed

Audi has released details of their third 'e' car - The Audi A4 2.0 TDIe In another in the series of ‘Here’s an even lower emission model than the last one’ series, Audi has announced details of the Audi A4 2.0 TDIe, a 2.0 litre A4 which manages to cut emissions and lower fuel consumption. The A4 TDIe will supplement the existing A4 2.0 litre TDI range – 118bhp, 141bhp and 158bhp – and becomes the third Audi to get the ‘e’ badge – the others being the Audi A3 1.9 TDIe and the Audi A6 2.0 TDIe Audi’s range of TDIe cars use a very similar route to other manufacturers to achieve some pretty spectacular headline figures. This new A4 2.0 TDIe gets the same frugal engine as the A6 2.0 TDIe, which offers 134bhp from it 2.0 litre common-rail diesel.