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If you know what renewable identification numbers (RIN) fraud is, and want to avoid it you a.) are most likely involved in biofuel production or an oil company and b.) might want to hire an auditor. That's the advice from RINAlliance, which has made a strategic partnership with EcoEngineers to make sure RIN fraud stops happening.

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A look at 6 unusual experiments under way that could plausibly replace conventional gasoline

A car that could run on thin air? On the road by 2016? That's what Peugot-Citroen says it will be selling: A hybrid car that runs on a combination of gasoline and air.

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Propel Fuels is acquiring $21 million in funding to add more than 200 fuel stations in new and existing markets over the next two years, offering more drivers E85 ethanol and biodiesel blends. The company currently sells fuel out of 31 existing retail stations in California and Washington, sharing gas pumps with gasoline and diesel.

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Biodiesel appears to be a tough business to enter, whether you're talking lawsuits over federal mandates or crackdowns on fraud. CBC News in Canada has investigated a cross-border mystery over biodiesel that thickens the plot.

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It looks like one Nobel Prize winner groups biofuels with another, ahem, organic and somewhat odorous material. Prize winner Hartmut Michel, who's the director of the Molecular Membrane Biology at the Max Planck Institute for Biophysics, has gone on record criticizing the use of biofuels for alternative energy because of their lack of efficiency, according to ClimateSanity.

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In alphabet soup terminology, the API's mad at the EPA, and the RFA thinks it's a bunch of BS.

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Researchers at the University of Michigan have discovered a fast way to turn algae into biocrude oil, a clean substitute for conventional crude oil. Chemical engineering professor Phil Savage and doctoral student Julia Faeth were able to pressure cook microalgae in 1,100-degree-Fahrenheit sand for about one minute, converting 65 percent of it into biocrude.

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There might be only one veggie-powered Chevrolet Corvette in the world, and it's part of the 24 Hours of LeMons endurance racing series that showcases $500 beater cars. "Spank," the owner and builder, has pieced together the Cor-Vegge on a a C4 Corvette body, powered by a 1980s Oldsmobile diesel engine and fueled by waste vegetable oil.

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Whoever wins the presidential race will likely be pleased to hear this news: farmers (at least soybean farmers) are getting into biodiesel. Soybean farmers, through their checkoff program, are supporting the National Tractor Pullers Association spreading the word about biodiesel among tractor pulling fans. It will be showcased by NTPA allowing the use of 100 percent biodiesel in all diesel pulling competition classes starting next season.

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US ethanol production for September dropped to its lowest level in at least 27 months, in large part because of plant shutdowns. Ethanol plants produced 983.9 million gallons in September, down 9.4 percent from August. The previous low since the EPA started keeping such records in July 2010 was the 1.051 billion gallons produced in February 2011. The numbers come from the US Environmental Protection Agency's (EPA) Moderated Tracking System website and were reported in the energy-pricing publicat

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The current and past presidents of Iowa Renewable Fuels Association were able to chat with Republican presidential nominee Mitt Romney on Tuesday, asking for his endorsement of the Renewable Fuels Standard (RFS) and ethanol. IRFA president Brad Albin and past president Walt Wendland approached Romney and put him on the spot while an associate filmed (watch it below). Romney's response? "I do support the RFS and ethanol." Albin works for Renewable Energy Group and Wendland with Golden Grain

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Brad Albin, president of Iowa Renewable Fuels Association, and Joe Jobe, CEO of the National Biodiesel Board, were thrilled to see the U.S. Environmental Protection Agency approve a 28-percent increase in the amount of biodiesel that will be mandated for the nation's diesel engine vehicles in 2013. Up until last year, under the 2007 Renewable Fuels Act, biodiesel had been sort of a stepchild to ethanol. Ethanol enjoyed large mandates with the passage of that bill, but biodiesel was later added

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Alternative energy and cleantech have been a platform for political jabs and Congressional hearings in Washington over the past year – the Solyndra scandal, Chevrolet Volt post-crash-test battery fires, and Fisker Automotive's Department of Energy grant loan quickly come to mind. The latest one deals with companies committing fraud tied into the federal renewable fuel standard, and it's not pretty.

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BMW may have dibs on being the "Official Automotive Partner to the London 2012 Olympic and Paralympic Games," but that doesn't mean there aren't other automotive-related promotional opportunities to be had at the games. Exhibit A: BP's new "Wayne Helix" fuel dispenser.

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Don't worry, you won't be tested on this.

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We've seen cars that run on biodiesel and even those propelled by wood pellets, but neither of these alternative fuel sources pose a near-term alternative to petrol-based gasoline. But, what if we could produce gas from a more abundant, clean source of energy than oil? That's exactly what Primus Green Energy hopes to do.

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Will there be enough feedstock to support a massive biofuel boom? It sure seems possible, 'cause Pike Research predicts that the value of the biofuels industry could double in the next ten years, depending on the emergence of advanced feedstocks.

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As one might expect, Europe's biodiesel industry rejected the findings of a draft study showing that the cultivation of rapeseed for biodiesel is likely significantly worse for the environment than manufacturing conventional diesel, i.e., from petroleum.

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Let's create jobs while concurrently expanding the U.S. output of advanced biofuels, says Department of Agriculture Secretary Tom Vilsack.

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Exactly how much does it cost to produce a ton of renewable diesel fuel? Well, according to Neste Oil, the world's largest renewable diesel firm, the answer is: way more than anticipated.

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