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NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

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Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing. and Lohse-Busch, H.

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EPA Reports Fifth Consecutive Annual Increase in US New Vehicle Fuel Economy; Up 9% Since 2004, Back to Levels of Early 1980s

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Adjusted CO 2 emissions and adjusted fuel economy by model year. This marks the first time that data for CO 2 emissions are included in the annual report, Light-Duty Automotive Technology, Carbon Dioxide Emissions, and Fuel Economy Trends: 1975 through 2009. mpg, or 9%, since 2004. Source: EPA. Click to enlarge.

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. mpg increase over the previous year and an increase of nearly 5 mpg since 2004. Adjusted fuel economy distribution by model year. Fuel economy. l/100 km)—a 0.5

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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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L/100km), though there is uncertainty in these projections as they were made during the atypical automotive market in 2009. For 2009, the last year EPA has final data from automakers, the average CO 2 emissions from new vehicles were 397 grams per mile and the average fuel economy value was 22.4 mpg, or 16%, since 2004.

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

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to 8.3%) and is projected to triple from MY 2009-2011 (to 13.7%); turbocharging is projected to double in MY 2011 (from 3.5% to 11.1%); and both 6-speed and 7-speed transmissions approximately doubled from MY 2009-2011 (from 24.7% to 11.1%); and both 6-speed and 7-speed transmissions approximately doubled from MY 2009-2011 (from 24.7%

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Gasoline consumption per capita in 2020 was on par with that in 1965

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Not coincidentally, the first Corporate Average Fuel Economy (CAFE) standards for new cars and light trucks became effective with 1978 model-year vehicles. Total consumption (millions of gallons). Consumption per capita (gallons). The maximum consumption per capita (505 gallons) was reached in 1978.

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EIA: US energy-related CO2 emissions down 1.7% in 2016; carbon intensity of economy down 3.1%; transportation emissions up

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decline in energy intensity of the economy (Btu/GDP). Combining these two factors, the overall carbon intensity of the economy (CO 2 /GDP) declined by 3.1%. Natural gas CO 2 emissions have increased every year since 2009. along with a 1.4% Of the four end‐use sectors, only transportation CO 2 emissions increased in 2016.

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