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MIT/UC Davis professors challenge claims that ethanol production decreased gasoline prices in 2010 and 2011

Green Car Congress

These trends make the empirical analysis extremely sensitive to model specification; however, we find that empirical models that are most consistent with economic and statistical theory suggest effects that are near zero and statistically insignificant. and statistically insignificant. t margin for oil refiners.

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Study finds wide range in GHG intensities and production costs of cellulosic ethanol from corn stover, switchgrass and miscanthus

Green Car Congress

The corresponding range for GHG savings with corn stover was 57% to 95% and marginally below the threshold of at least 60% for biofuels classified as cellulosic biofuels under the Renewable Fuels Standard. Production cost of ethanol is annualized over the simulation period. Credit: ACS, Dwivedi et al. Click to enlarge.

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NHTSA proposes new minimum sound requirements for hybrid and electric vehicles

Green Car Congress

As required by the bipartisan Pedestrian Safety Enhancement Act of 2010 (PSEA), the US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) has proposed minimum sound standards for hybrid and electric vehicles. The proposed standard, Federal Motor Vehicle Safety Standard No.

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Argonne Study Examines Impact of Real World Drive Cycles on Efficiency and Cost of Different PHEV Configurations

Green Car Congress

For drive cycles, the Argonne team used the Kansas City data collected in 2005 by the US EPA, which instrumented more than 100 drivers and collected their driving statistics for one day. On top of the significant gain achieved by using a standard HEV compared to a conventional vehicle (27.6%), the 4 kWh configurations adds an additional 20%.

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Consumer Federation analysis of polling data and tech pricing finds consumer demands aligned with proposed MY 2017-2025 CAFE and GHG regulations for light-duty vehicles

Green Car Congress

A new analysis from the Consumer Federation of America (CFA) of consumer polling data finds that the proposed MY 2017-2025 passenger vehicle fuel economy (CAFE) and greenhouse gas (GHG) emissions standards to be finalized this summer ( earlier post ) align with consumer demands and needs. mpg US (5.87 L/100km) in model year 2021, and 49.6

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Coca-Cola Enterprises releases biomethane vehicle trial report; buys 14 gas trucks to run on biomethane based on results

Green Car Congress

Both were new registrations at trial commencement and met Enhanced Environmentally friendly Vehicle emission standards (emission levels between the current Euro V standard and the future (2013) Euro VI levels). km cycle statistically representative of vehicle distribution patterns from Enfield.

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U-M study: Induced driving miles could overwhelm potential energy-saving benefits of connected, self-driving cars

Green Car Congress

It will likely increase transportation safety to an unprecedented level, enhance mobility, provide a higher level of comfort and convenience for travelers, and reduce the cost of driving for individuals, all of which will be welfare-improving for society. Higher fuel economy of CAVs will cause the per-mile fuel cost of travel to drop.

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