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Assessment of US CAFE fuel economy standards finds big savings on fuel and emissions since inception

Green Car Congress

In one of the first comprehensive assessments of the fuel economy standards in the United States, researchers from Princeton University and the University of Tennessee found that, over their 40-year history, the standards helped reduce reliance on foreign oil producers, cut greenhouse gas emissions, and saved consumers money.

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DOT and EPA release revised fuel economy and GHG emission standards for MY 2021-2026 light-duty vehicles

Green Car Congress

The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) released the final Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule setting corporate average fuel economy (CAFE) and CO 2 emissions standards for model years 2021-2026 passenger cars and light trucks.

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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

Green Car Congress

The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). Their study is publishedin the ACS journal Environmental Science & Technology. Yang et al.

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

Green Car Congress

The acquired data provides important insights into the fuel spray motion as well as the timing and quantity of soot formed under a wide range of conditions. Skeen noted that although new diesel vehicles are cleaner than ever before, some of the latest generation gasoline engines emit as much particulate matter as older diesel engines.

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EPA, DOT unveil the next generation of fuel economy labels

Green Car Congress

Sample label for a plug-in gasoline hybrid-electric vehicle, which features fuel economy ratings for both electricity and gasoline. The US Department of Transportation (DOT) and the Environmental Protection Agency (EPA) unveiled the next-generation of fuel economy labels. Click to enlarge.

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DOT, EPA unveil joint proposal for fuel economy and greenhouse gas emission standards: 49.6 mpg CAFE, 163 g/mile GHG in 2025; flexibilities and incentives

Green Car Congress

The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 L/100km) in model year 2021, and 49.6 improvements.

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EPA finalizes greenhouse gas standards for LDVs MY 2023-2026

Green Car Congress

EPA is planning to initiate a separate rulemaking to establish multi-pollutant emission standards under the Clean Air Act for MY 2027 and later. The final program represents will reach a projected industry-wide target of 161 grams CO 2 /mile, or 40 miles per gallon value on fuel economy window stickers in 2026. Source: EPA.

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