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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

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Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. The fleet-wide average real world MY 2011 personal vehicle CO 2 emissions value is 398 g/mi and average fuel economy is 22.4

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

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The report highlights that several advanced powertrain technologies are making significant inroads into the mainstream market. 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%). in MY 2010, but up from 0.5% and from 2.6% in MY 2009.

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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

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In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter Meaning, DSF reduces fuel consumption by 14-18% over V8. Earlier post.) Earlier post.).

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

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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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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

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Manufacturer-specific technology adoption over time for key technologies. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. MY 2012 adjusted fuel economy is 23.6 Click to enlarge. l/100 km), which is 1.2 mpg, or 22%.

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Cummins/Peterbilt SuperTruck shows 54% improvement in fuel economy, 61% improvement in freight efficiency

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The new SuperTruck achieved a 54% increase in fuel economy. and Peterbilt Motors Company, a division of PACCAR, released test results showing their demonstration SuperTruck tractor-trailer achieved a 54% increase in fuel economy, averaging nearly 10 mpg US (23.5 Approach to technology improvements. Cummins Inc.

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EPA reports decline in CO2 and increase in fuel economy from new US LDVs in 2009; projects increase in new hybrid vehicle share to 4.3% in 2010

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in 2010, up from 2.3% EPA projects a small improvement in 2010, based on pre-model year sales estimates provided by automakers, to 395 grams of CO 2 per mile and 22.5 EPA projects a small improvement in 2010, based on pre-model year sales estimates provided by automakers, to 395 grams of CO 2 per mile and 22.5 Click to enlarge.