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EPA’s annual automotive trends report shows slight increase in fuel economy from MY2017 to MY2018

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Tesla improved fuel economy (as measured in miles per gallon of gasoline equivalent, or mpge). Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fuel economy has increased 30%, or 5.8 Preliminary data suggest further improvements in model year 2019. Source: EPA.

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Univ. of Delaware Researchers Conclude Cash for Clunkers Cost Exceeded Benefit

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Assuming 12,000 as the average miles driven per year and using the average mpg of the retired vehicles (15.8 mpg) and the newly purchased vehicles (25.0), they calculated that the program cut gasoline consumption by some 280 gallons per year per vehicle. Abrams, Burton A. and Parsons, George R. 2009) Is CARS a Clunker?

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ACEEE ranks i-MiEV as “Greenest” car in US, Civic Natural Gas ties for second with LEAF

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Highly efficient conventional gasoline vehicles also continue to have a presence on the “Greenest” list, claiming three of the top twelve spots. Vehicles are analyzed on the basis of a “Green Score,” a singular measure that incorporates unhealthy tailpipe emissions, fuel consumption, and emissions of gases that contribute to climate change.

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EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

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mpg if all improvements came from fuel economy) and 34.1 mpg US (6.9 mpg US (EPA). Final CAFE mpg US (NHTSA). mpg US (EPA). Final CAFE mpg US (NHTSA). mpg US (EPA). mpg US (EPA). Final CAFE mpg US (NHTSA). L/100km) fuel economy level, respectively. Earlier post.). Passenger cars.

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Study concludes that sugar cane-based biorefineries producing ethanol and electricity could power a global auto fleet of hybrids and EVs using only 4% of available cropland

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Number of cars (world and US), amount of gasoline consumed, amount of ethanol equivalent required for a neat ethanol fleet, ethanol and electricity to power hybrid fleet, and sugar cane area for hybrid fleet. km/liter (46 mpg US, or 5.1 l/100km) using gasoline as the fuel. Credit: ACS, Pacca and Moreira. Click to enlarge.

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EPA and NHTSA Issue Notice of Intent to Develop New Greenhouse Gas and Fuel Economy Standards for Light-Duty Vehicle Model Years 2017-2025; Proposal Expected by 30 Sep 2011

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The 2025 targets analyzed thus range from 190 g/mi (equivalent to 47 mpg under test) under the 3% per year reduction scenario to 143 g/mi (equivalent to 62 mpg under test) under the 6% per year scenario. less reliance on advanced gasoline vehicles and mass reduction, relative to. Earlier post.). hybrids, and electric vehicles.

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US EIA Reports Record-setting 7% Overall Decline in US Carbon Dioxide Emissions in 2009; Transport Emissions Down 4.1%, Lowest Percentage Reduction of the End-UseSectors

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The transportation sector is about 95% dependent on petroleum for its energy; motor gasoline alone accounts for about 60% of total transportation energy use. The fuel economy of the total US fleet improved from 27 mpg US in 2008 to 28.5 mpg US in 2009. Tags: Climate Change Emissions. lower than 2007 and 3.2%

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