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Volkswagen XL1

This, remarkably, is the production version of the Volkswagen XL1, the most fuel-efficient production car in the world, a car we'll see in Geneva in a little over a week. Barely changed from the concept version shown at the Qatar motor show two years ago, the production XL1 is the first production result of VW's 1-liter project – to design a car that uses less than 1l/100km (282.5mpg imperial) – that started with the lozenge-shaped, tandem-seat 2003 1L and the later L1 of 2009. The XL1 actually beats that by sipping just 0.9 liters with CO2 emissions of 21g/km.

Chevrolet is bringing CNG power to the Silverado HD

Chevrolet is taking CNG-powered vehicles seriously, with so many of their trucks being used in commercial fleets, so it was perhaps no surprise that we'd see a version of the 2015 Silverado HD that can be run either on gasoline or compressed natural gas before long. Chevrolet brought the 2015 Silverado 2500 HD CNG to the Chicago Auto Show, to let prospective buyers as well as the media to learn about at the savings that could be realized with this environmentally friendly setup. The HD CNG truck will offer bi-fuel capability coupled with its 6.0-liter V8 engine that's been modified with hardened valves and valve seats to run on compressed natural gas.

From Hooniverse: Spintires is a Soviet trucker video game

If you’ve ever spent an entire workday watching YouTube clips of Soviet-era logging trucks traversing the wilds of Siberia (who hasn’t?), then you’ve no doubt spent even more time cruising Russian classifieds for vehicles with three-letter names ending in AZ. Now, you may not have to import an eight-wheeled Russian monster truck to get an idea of what it might be like to run roughshod over some pristine forest. As our friends at Hooniverse report -- in great detail -- there’s a Kickstarter on and it’s aimed at bringing Spintires into reality.