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Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2

Green Car Congress

A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Also since 1975, light-duty vehicle travel increased by 134% while fuel use increased by only 37%.

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U.S. regulator launches loosened fuel economy standards

Teslarati

safety regulator has officially launched more relaxed fuel economy standards, following a similar move from the Environmental Protection Agency (EPA) made a few months ago. The National Highway Traffic Safety Administration (NHTSA) has officially announced new fuel standards requiring an average fleet fuel economy of 50.4

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EPA: preliminary data show average fuel economy of new light-duty vehicles reached a record high of 25.7 MPG in 2020

Green Car Congress

Preliminary data in EPA’s 2020 Automotive Trends Report shows average fuel economy for model year 2020 light-duty vehicles increased to 25.7 If this preliminary data holds, that will be a new record high for average new light-duty vehicle fuel economy. From 2005–2020 average fuel economy rose by 29%.

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Future Fuel Strategies: 40+ countries developing light-duty vehicle fuel economy standards

Green Car Congress

Fuels market analyst Tammy Klein notes that more than 40 countries are developing light-duty vehicle fuel economy standards. Ten years ago, only four governments 10 years ago had introduced mandatory GHG emission and/or fuel economy standards: China, Japan, South Korea, and the United States.

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EPA trends report finds MY 2021 fuel economy remained flat at a record high while CO2 levels hit new low

Green Car Congress

The US Environmental Protection Agency (EPA) released its annual Automotive Trends Report , which shows that model year (MY) 2021 vehicle fuel economy remained at a record high—but flat with MY 2020 fuel economy—while CO 2 emission levels reached a new record low. Source: EPA. Source: EPA.

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EPA: US GHG emissions up 6% in 2021 from 2020

Green Car Congress

The US Environmental Protection Agency (EPA) released its 30 th annual Inventory of US Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2021. In 2021, US greenhouse gas emissions totaled 6,340.2 GHG emissions by economic sector.

EPA 259
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PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

Green Car Congress

Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. That’s where PNNL’s onboard separation technology comes in.