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EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

Green Car Congress

Specifically, in this action, NHTSA is affirming that its statutory authority to set nationally applicable fuel economy standards under the express preemption provisions of the Energy Policy and Conservation Act (EPCA) dictates that such state and local programs are preempted. Earlier post.)

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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

Green Car Congress

Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. Source: EPA. Data for MY 2011 are final; data for MY 2012 are preliminary and based on projected vehicle production values provided to EPA by manufacturers. Source: EPA. Click to enlarge. l/100 km), both slightly worse relative to MY 2010. Click to enlarge.

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UMTRI: average US new vehicle fuel economy drops in October

Green Car Congress

The average fuel economy (window-sticker value) of new vehicles sold in the US in October was 24.8 This likely reflects both a continuing increase in the proportion of light trucks sold each month, as well as the recent calculation adjustments for window-sticker values implemented by the EPA for model year 2017, they suggested.

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UMTRI: average fuel economy of new light-duty vehicles sold in November up slightly from October

Green Car Congress

The average fuel-economy (EPA window-sticker) value of new light-duty vehicles sold in the US in November was 24.8 Vehicle fuel economy is up 4.7 mpg or 23% since October 2007 (the first month of their monitoring). This value indicates an improvement of 20% since October 2007. Click to enlarge.

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UMTRI: average US new vehicle fuel economy in November unchanged from October

Green Car Congress

The average fuel economy (window-sticker value) of new vehicles sold in the US in November was 24.9 mpg since October 2007 (the first month of their monitoring), but down 0.6 mpg since October 2007 (the first month of their monitoring), but down 0.6 The value for November 2016 is up by 4.8 mpg from the revised peak of 25.5

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EPA, DOT Propose New Fuel Economy Labels; Addressing GHG Emissions, Fuel Consumption and Advanced Technology Vehicles

Green Car Congress

Source: EPA. The US Department of Transportation (DOT) and the US Environmental Protection Agency (EPA) are jointly proposing changes to the fuel economy labels consumers see on the window of new vehicles in dealer showrooms. EPA and DOT are proposing two new label designs for comment. Click to enlarge.

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2011 edition of EPA Fuel Economy Trends report shows several advanced powertrain technologies making significant gains

Green Car Congress

Fuel economy improvements for the hybrid vehicles vary considerably from 5-10% for the larger, luxury hybrid vehicles to more than 40%. Fuel economy improvements for diesels range from 15% to 30% relative to gasoline counterparts. From MY 2004 to MY 2010, CO 2 emissions decreased by 67 g/mi (15%), and fuel economy increased by 3.3