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Go ahead, feast your eyes on the kinds of vehicles that might compete in the FIA's upcoming Formula E. Maybe it's the enclosed cockpit, maybe it the Alien-esque color and lines, maybe it's just us, but the just-unveiled Bluebird GTL Formula E racing car concept looks for all the world like something that would slither instead of speed.

Former Veep Al Gore is in the Netherlands this week to give his Inconvenient Truth presentation a couple of times. While he's in the low-lands he is apparently being shuttled around in the latest example of fuel efficient executive transport from the folks at Audi. Mr. Gore gets to ride in the back seat of a new Audi A6 TDIe. This particular A6 variant gets propulsion from the same 2.0L diesel four cylinder used in the new VW Jetta TDI. In the A6 TDIe it's rated at 136 hp and achieves 44.38 mpg

The Audi A4 TDI that started off running on GTL

Ever since the debut of the Audi R10 in 2006, the mighty diesel-powered sports cars have been running on a gas-to-liquid (GTL) diesel fuel supplied by Shell. For the 2008 running of the 24 hours of Le Mans coming up in a few weeks, Audi and Shell will try a new blend that combines the GTL fuel with a BTL (biomass-to-liquid) fuel supplied by Choren. Choren is a German company that has been collaborating with Audi's parent company Volkswagen to develop the BTL diesel branded as SunFuel. Like cellu

The Oryx gas-to-liquid (GTL) plant in Qatar started exporting its output about a month ago but the Energy Minister Abdullah bin Hamad al-Attiyah says the tiny Persian Gulf state has no intention of using the fuel locally. The GTL fuel needs to be blended with other fuels to make it usable and the local market isn't large enough to justify doing this. The cost of GTL is also much higher than other fuels so they see no need to keep it in the country.

Not to be one-upped by Honda, CNET is reporting that the leader in hybrid technology, Toyota, will release a flex-fuel ethanol/gasoline capable car in Brazil during the Spring of 2007. The vehicle model and price have yet to be disclosed, but if they are planning to match Honda's efforts we shouldn't be surprised to see them offer a converted version of either the Corolla or Yaris or both. The vehicles should be capable of running on any blend of ethanol and gasoline, even E100.

Shell and Germany's UFOP (Union for the Promotion of Oil and Protein Plants) just released a study comparing the exhaust gas and particle emissions of fossil diesels with B5 and B20 biodiesel fuels. The five fuel blends tested were

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