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Audi has announced a record-beating A4 that has a maximum speed of 327.2 km/h (203 mph). The unusual feature of this A4 is that it runs on biogas, naturally obtained from the anaerobic fermentation of switchgrass. The experiment was performed to promote the use of biogas as an alternative fuel. Bear in mind that Germany imports almost all the country's gas needs from Russia, so a biologic alternative has a lot of domestic support. Regarding the technical side of the experiment, the A4 was a standard 2004-2008 3-liter model fitted with two turbochargers that powered the car with 585 hp, converted by the TÜV in Rheinland, Germany.

[Source: TÜV Rheinland via Auto-News]


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  • 3 Comments
      • 6 Years Ago
      Is there any natural gas tank that can sustain a 327.2 km/h (203 mph) car crash?

      Seriously, the draw back for natural gas vehicle is the risk of explosion, preventing access to tunnels, some lower deck bridges, and definitively any basement parking garage.
      • 2 Months Ago
      Great fuel, I see it as a big part of the future.

      btw, not sure you can call a car standard when it's been upped to 585hp...
      • 6 Years Ago
      Fantastic. Once problem with natural gas cars (not sure about biogas) is that they need a big tank, which both adds weight and reduces the capacity of the car. But this could replace methane which is quiet popular here in Italy.