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Vitruvian Energy crowdfunding to make EEB, a trashy biofuel

When sewage is treated at a wastewater treatment facility, biosolids are the byproduct. After being separated from the water, biosolids are usually sent to a landfill or incinerated. That doesn't mean that they're without value, however. Vitruvian Energy has created a process to make a usable fuel out of this human waste product, and while the source is pretty gross, it is undeniably abundant, and the results are much cleaner. EEB can be made for less than $4 a gallon. In a process that Vitruvian Energy claims is energy efficient, biosolids are femented and introduced to a type of bacteria to create PHA plastic. Reacting the PHA with ethanol creates the ethyl-3-ethoxybutyrate (EEB) biofuel. Vitruvian says EEB can be blended up to 20 percent with gasoline or diesel without any engine modifications. This lowers the carbon footprint of the fuel it's blended into, and serves to oxygenate diesel, leading to fewer harmful emissions. EEB can also be made using other organic waste products, such as corn stover, rice straw and distillers grains. EEB can be made for less than $4 a gallon and isn't subject to the maddening market fluctuations and international politics of fossil fuels. Furthermore, EEB's carbon footprint is 70 percent less than that of fossil fuels. Vitruvian also sees potential for EEB to be used on its own to power vehicles or burned to produce electricity for the grid. So far, Vitruvian Energy has used grants from the California Energy Commission and National Science Foundation to develop EEB, and has tested the fuel in a Pontiac Solstice at Oak Ridge National Laboratory. Now, Vitruvian is wants to test EEB on a larger scale in the real world in order to prove EEB's viability to interested parties in the wastewater treatment industry. In an Indiegogo crowdfunding campaign, Vitruvian Energy hopes to raise $200,000 to build a prototype EEB production line and to run a test vehicle for a year on an EEB-diesel blend on the streets of Seattle. Donors can score some interesting perks such as shirts and bumper stickers that say "Get Clean with Poopaline." Learn more about EEB in the video and press release below. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Motorweek looks back at the Pontiac Aztek

The Pontiac Aztek has earned a position as this generation's ultimate, automotive punchline. Even other execrable models like the Yugo or Mustang II probably get more respect these days just out of their sheer quirkiness, but the Aztek remains a joke. Fortify your mind for what's coming, though, because the much-maligned Pontiac might not be quite so atrocious, at least according to MotorWeek's latest Retro Review video. MotorWeek calls the Aztek, "GM's first true crossover vehicle," and it's amazing to think of the hated model as a progenitor of one of the most popular segments today. While admitting that the looks are polarizing, John Davis and company actually come away pleased with the Aztek's utility. They praise that there's a ton of room in the back, and the interior is packed with useful features like a removable cooler in the center console and radio controls in a cargo area. The show is even impressed with how the Pontiac drives and throws around accolades like "nimble" and "pleasant." After seeing the Aztek leading the pack on lists of the worst vehicles of all time for years, listening to it get such effusive praise is actually quite jarring. Could we all be so wrong? No, there's absolutely no debate that this is still a hideous automobile. However, MotorWeek asserts a complete reversal of the generally perceived wisdom about the early CUV. While unexpected, thinking about such an abhorred model in a different way is a cool experience. Check out the video for a different take on the Aztek.

GM Recalls 1.5 Million Cars For Steering Defect

General Motors Co. said Monday it is recalling 1.5 million vehicles worldwide because the electronic power-steering assist can suddenly stop working, making them harder to steer. The new recall brings to 6.3 million the number of vehicles GM has recalled since February. The initial recall - now at 2.6 million small cars for an ignition switch defect - prompted the automaker to name a new safety chief and speed up the review of cases that might lead to recalls. GM said it expects recall-related costs to total $750 million in the first quarter, including $300 million for the ignition switch recall. Included in the new recall are: - Chevrolet Malibu from the 2004-2005 model years, plus some 2006, 2008 and 2009 model-year cars. - Chevrolet Malibu Maxx from the 2004-2005 model years, plus some 2006 model-year cars. - Chevrolet HHR from the 2009-2010 model years (non-turbocharged only). - Some Chevrolet Cobalts from the 2010 model year. - Some Saturn Auras from the 2008-2009 model years. - Saturn Ion from the 2004-2007 model years. - Pontiac G6 from the 2005 model year, plus some cars from the 2006, 2008 and 2009 model years. - Service parts installed into certain vehicles before May 31, 2010, under a previous recall GM says no deaths related to the defect have been reported. It is still investigating whether there have been any accidents or injuries related to the problem. GM dealers will replace the power steering motor and other parts for free. Spokesman Alan Adler said owners will be notified of the recall the week of April 28 and will be told when parts are available after that. The Cobalt and the Ion, which are also involved in the ignition switch recall, share many common parts.GM recalled Cobalts from the 2005-2010 model years for the power steering defect in 2010, but it's unclear why the company didn't recall the Ion at the same time. Federal regulators also opened an investigation into power steering complaints in the Ion in 2010, but didn't order a recall. Related Gallery 2014 Chevrolet Corvette Stingray Test Drive View 9 Photos Recalls GM Pontiac Chevy Cobalt saturn ion pontiac g6 Chevrolet Cobalt Chevrolet HHR