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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.

Best and Worst GM Cars

Oh yes, because we just love receiving angry letters from devoted Pontiac Grand Am enthusiasts, we have decided to go there. Based on a heated group Slack conversation, the topic came up about the best and worst GM cars. First of all time, and then those currently on sale, and then just mostly a rambling discussion of Oldsmobiles our parents and grandparents owned (or engineered). Eventually, three of us made the video above. Like it? Maybe we can make more. Many awesome GM cars are definitely going unmentioned here, so please let us know your bests and worsts in the comments below. Mostly, it's important to note that this post largely exists as a vehicle for delivering the above video that dives far deeper into GM's greatest hits and biggest flops, specifically those from the 1980s and 1990s. What you'll find below is a collection of our editors identifying a best current and best-of-all-time choice, plus a worst current and worst-of-all-time choice. Comprehensive it is not, but again, comments. -Senior Editor James Riswick Best Current GM Vehicle Chevrolet Corvette We were flying by the seats of our pants a bit in this first outing and my notes were similarly extemporaneous. When it came time to tie it all together on camera, I failed spectacularly. Thank the maker for text, because this gives me the opportunity to perhaps slightly better explain my convoluted reasoning. I chose the C8 Corvette because it's simply overwhelmingly good, and it's merely the baseline from which this generation of Corvette will be expanded.  While the Cadillac CT5-V Blackwing (more on that in a minute) is an amazing snapshot of GM's current performance standing and its little sibling so enraptured me that I went out and bought one, their existence is fleeting. Corvette will live on; forced-induction Cadillac sport sedans, not so much. So while all three are amazing machines when viewed in a vacuum, the Corvette stands above them as both a reflection of GM's current performance credentials and a signpost of what is to come. So, given the choice between the C8 and the 5V-Blackwing right now, I'd choose the C8. In 10 years, when the Blackwing is no longer in production and Corvette is in its 9th generation? Well, that might be a different story. Now, just pretend I said something even remotely that coherent when we get to the part of the video where I try to make an argument for the 5-V Blackwing as best GM car I've ever driven. Or just laugh at me while I ramble incoherently.

Remember when Pontiac made a Trans Am Kammback grocery getter?

Despite muscle cars having strong reputations as some of the most impractical cars one can buy, they've occasionally had one of the most useful and practical features a car can sport: a hatchback. In the 1980s, General Motors' Chevrolet Camaro and Pontiac Firebird had one, and it added respectable utility to the sports cars. But the people at GM thought they could make the F-Body cars even more useful. So, after a few clay-model experiments, Pontiac built three examples of an extended-roof 1985 Pontiac Trans Am Kammback concept. Spotted by GM Authority, one of these Trans Am Kammbacks (although "shooting brake" seems like the more apt descriptor) is going on the block at the Mecum Kissimmee auction in early January 2019. Reportedly only three of these prototypes/experiments/test mules were built to driveable specs, and this example, VIN No. EX4796, has additional history that might make it the ultimate example. According to Mecum, the show car, which has made appearances at numerous auto shows, also spent some time at the race track — just not as a participant. It was used as a pace car for PPG and IMSA racing and temporarily had a light bar and "two-way communications equipment." Following its pace duty, and after GM stopped the project from going any further, it was put into Pontiac Engineering's private collection for 13 years. Famous Michigan car collector and Pontiac dealership owner John McMullen then bought the car. He eventually sent it to Pontiac specialist Scott Tiemann for a full restoration to the gorgeous condition it is in today. As seen in the photos, the Trans Am features white paint over a gray leather interior. It houses a 5.0-liter V8 under the hood and has a five-speed manual transmission. The wild concept is rare enough to be super cool, but we can't help but think of an infinitely more practical, more modern, more powerful, and arguably more interesting car we'd rather have. Manual Cadillac CTS-V Sport Wagon in Black Diamond anybody? Or, if you don't care about the extra doors, perhaps the Callaway's Corvette AeroWagen is more applicable. Either way, we're in full support of any shooting brakes we can find. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.