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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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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.

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

Green Car Congress

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 fuel economy report finds weight and power leveling off, footprint stable

Green Car Congress

EPA recently released the latest edition of its annual report Light-Duty Automotive Technology, Carbon Dioxide Emissions and Fuel Economy Trends. The report found that fuel economy for the US fleet continues to improve. The report found that fuel economy for the US fleet continues to improve.

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UGA study finds black carbon aerosols from GDI engines will worsen public health, climate; need for GPFs

Green Car Congress

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. The market share of GDI-equipped vehicles increased from 2.3% —Neyestani et al.

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BorgWarner Exhaust Heat Recovery System for hybrids can improve fuel economy by up to 8.5%

Green Car Congress

Developed for hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), BorgWarner’s innovative Exhaust Heat Recovery System (EHRS) can improve fuel economy by up to 8.5% In addition, the technology reduces carbon monoxide (CO) and NO x emissions as well as particulate matter (PM).

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CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

Measured emissions included: oxides of nitrogen (NO x ), total hydrocarbons (THC), non-methane hydrocarbon (NMHC), carbon monoxide (CO), carbon dioxide (CO 2 ), PM mass, particulate number, 1,3-butadiene, benzene, toluene, ethylbenzene, xylene isomers, ethanol, and carbonyl compounds. SULEV30, ULEV50, ULEV70, and ULEV125).