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Researchers say fuel market rebound effect can result in increased GHG emissions under RFS2; suggest taxes over mandates

Green Car Congress

The US Renewable Fuel Standard (RFS2) is intended to reduce greenhouse gas emissions from transportation. However, the Minnesota team notes, increasing the supply of fuels tends to lower energy prices, which encourages in turn encourages additional fuel consumption. gallons, selected a conservative gasoline displacement rate of 0.50

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Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

Green Car Congress

Environmental impacts of gasoline and E85. In a similar way, the full breadth of impacts attributable to conventional gasoline production, such as natural resource consumption and hazardous pollutant emissions, must also be considered in order to make balanced comparisons to biofuels. Process flow diagrams for E85 and gasoline.

Gasoline 357
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Harmonizing Low Carbon Fuel Standards

Green Car Congress

—Low Carbon Fuel Standard 2011 Program Review Report. The concept of harmonizing specific aspects of the LCFS program with other low carbon fuel standard programs has been of interest for the staff since the inception of the program. —Low Carbon Fuel Standard 2011 Program Review Report. Earlier post.).

Carbon 244
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NREL review of E15 effects on MY2001 and later cars finds no meaningful differences with E10

Green Car Congress

The main conclusions of NREL’s analysis were: Several of the studies tested relatively large numbers of engines or vehicles, including the Coordinating Research Council’s (CRC) engine durability study (28 engines); the University of Minnesota’s in-use fleet study (80 vehicles); and the US DOE’s catalyst durability study (82 vehicles).

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Gevo awarded $5M to develop cellulosic jet fuel; separate contract to supply alcohol-to-jet drop-in biojet fuel to USAF

Green Car Congress

The award is a portion of a $40-million grant presented to the Northwest Advanced Renewables Alliance ( NARA ), a consortium led by Washington State University (WSU). NARA includes a broad consortium of scientists from universities, government laboratories and private industry. Earlier post.). NARA award. DLA contract.

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Study finds removing corn residue for biofuel production can decrease soil organic carbon and increase CO2 emissions; may miss mandated 60% GHG reduction

Green Car Congress

Error bars are ± one standard deviation. Using corn crop residue to make ethanol and other biofuels reduces soil carbon and under some conditions can generate more greenhouse gases than gasoline, according to a major, multi-year study by a University of Nebraska-Lincoln team of researchers published in the journal Nature Climate Change.

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DOE to award up to $137M for SuperTruck II, Vehicle Technology Office programs

Green Car Congress

Most of the projects will support the goals of EV Everywhere, an Energy Department program that aims to make PEVs as affordable and convenient as gasoline-powered vehicles by 2022. Ohio State University. Iowa State University. University of Pittsburgh. The Department of the Army is contributing an additional $2.2

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