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Latest EPA automotive trend report shows MY 2017 fleet fuel economy of 24.9 mpg; new record

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The latest edition of the US Environmental Protection Agency (EPA) annual Automotive Trends Report finds that Model Year (MY) 2017 vehicle fuel economy was 24.9 Since MY 2004, fuel economy and CO 2 emissions have improved in eleven out of thirteen years. Estimated Real-World CO 2 and Fuel Economy.

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EPA: GHG emissions standards for cars and light trucks should be revised; joint process with NHTSA (updated with more reactions)

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The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised.

EPA 199
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Sandia, TUD optical diagnostic helps reduce emissions while improving fuel economy

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Time sequence of images in a Sandia National Laboratories project that shows the extinction of light caused by a soot cloud formed during the injection of a diesel spray. The liquid fuel spray is seen at the bottom of the images and appears dark because the light passing through the combustion vessel is scattered by the liquid droplets.

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WUSTL study finds use of air conditioning reduces in-car pollution

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Traffic is a major source of harmful pollutants; daily peak exposures tend to occur near roadways or while traveling—or being stuck—on them. That gave them rare, real-world look at pollutant exposure. With windows closed, the pollutants took longer to enter the vehicle cabin, but also longer to exit it.

Pollution 186
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EPA finalizes greenhouse gas standards for LDVs MY 2023-2026

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The Environmental Protection Agency (EPA) is finalizing the federal greenhouse gas (GHG) emissions standards for passenger cars and light trucks for Model Years (MY) 2023 through 2026. EPA is planning to initiate a separate rulemaking to establish multi-pollutant emission standards under the Clean Air Act for MY 2027 and later.

EPA 243
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ICCT: incremental technology can cut vehicle CO2 by half and increase fuel economy >60% through 2030 with ~5% increase in price

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l/100 km) in 2016, the The ICCT team assessed increased consumer label fuel economy (as opposed to the regulatory test fuel economy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fuel economy by more than 60% from 2016 through 2030.

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California ARB Backs White House Program for Medium- and Heavy-Duty and Next Phase of Light-Duty Vehicle GHG and Fuel Economy Standards; Looking for LDV Improvements on the Order of 3-6% Annually

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President Obama’s announcement of the first-ever national policy to increase fuel efficiency and decrease greenhouse gas (GHG) pollution from medium- and heavy-duty trucks for model years 2014-2018. Earlier post.). Earlier post.). Earlier post.). Earlier post.). Earlier post.). Statement from Chairman Nichols to.