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Tesla had lowest tailpipe CO2 emissions & highest fuel economy in 2021 EPA Auto Trends report finds

Teslarati

The EPA released its annual Automotive Trends report, and findings reveal that Tesla is leading the way with the lowest tailpipe CO2 emissions and the highest fuel economy of all large manufacturers. Stellantis had the highest new vehicle average CO2 emissions and lowest fuel economy of the large manufacturers, the report noted.

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

Green Car Congress

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.

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Global Fuel Economy Initiative launches second 3-year campaign; ICCT joins partnership

Green Car Congress

The Global Fuel Economy Initiative ( GFEI ) ( earlier post ) launched its second three-year effort to improve vehicle fuel economy around the world at the International Transport Forum in Leipzig. per year, whereas to hit the 2030 target we need a more than 3% improvement per year from 2012. Earlier post.).

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Japan Ministries propose light commercial vehicle fuel economy standards for 2022

Green Car Congress

In a policy update, the International Council on Clean Transportation (ICCT) reports that Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and Ministry of Economy, Trade, and Industry (METI) have finalized new proposed fuel economy standards for light- and medium-duty commercial vehicles with gross vehicle weights less than 3.5

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EIA: fuel economy standards drive down projected gasoline use; diesel use, product exports rise

Green Car Congress

In the US Energy Information Administration’s Annual Energy Outlook 2014 (AEO2014) Reference case, more-stringent vehicle fuel economy standards contribute to a decline in motor gasoline consumption through 2040. The Reference case projects an increase in VMT that, all else equal, would increase motor gasoline fuel consumption.

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ORNL-developed ACMZ aluminum alloy promises better fuel economy

Green Car Congress

Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fuel economy goals. The journey to ACMZ began in 2012, with a challenge from DOE’s Vehicle Technologies Office for a new high-performing alloy. Earlier post.)

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

Green Car Congress

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. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.