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Fuel economy for new cars sold in July stays flat from June, up 0.2 mpg year-on-year

Green Car Congress

The fuel economy of light duty vehicles sold in the US in July 2011 increased to 21.6 mpg compared to 21.4 mpg in July 2010, but remained flat from June, according to TrueCar.com. In July, a balanced mix of cars and trucks were purchased, keeping the overall fuel economy of new vehicles sold flat compared to June.

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Increased sales of larger vehicles in June lowered average new car fuel economy from May; increase in fuel economy year-on-year

Green Car Congress

Average small car TrueMPG June 2010 v. TrueCar.com provided actual fuel economy numbers from June US light vehicle auto sales that indicate “TrueMPG” will increase to 21.6 mpg US in June 2011 compared to 21.3 mpg in June 2010, but decreased from May 2011 at 21.9 mpg in June 2011, up from 21.3

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Study finds that increased vehicle travel and decreased occupancy have undercut the impact of improving fuel economy over last 40 years

Green Car Congress

From 1970 to 2010, vehicle distance travelled in the US increased by 155% (from 1.674 trillion km to 4.260 trillion km); however, because vehicle load (i.e., Sivak found that while the vehicle fuel economy of the entire light-duty fleet improved by 40% (from 13 mpg US to 21.6 mpg US, or from 18.1 mpg US to 29.8

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EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Green Car Congress

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

Describing its product goals and tracking progress toward its 2020 manufacturing priorities in its 2012 Sustainability Report , General Motors reaffirmed its commitment to further reduce the energy used and the environmental impacts of building and operating an automobile. Manufacturing energy use and emissions. Earlier post.).

GM 275
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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. Data for MY 2011 are final; data for MY 2012 are preliminary and based on projected vehicle production values provided to EPA by manufacturers. l/100 km), both slightly worse relative to MY 2010. Source: EPA. Click to enlarge. l/100km) or more.

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

Green Car Congress

In terms of market share, gasoline direct injection doubled in MY 2010 (from 4.2% for MY 2010, with almost a doubling from MY 2009 (2.3%). Fuel economy improvements for the hybrid vehicles vary considerably from 5-10% for the larger, luxury hybrid vehicles to more than 40%. in MY 2010, but up from 0.5% in MY 2009.