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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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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.

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Tula Technology reports up to 18% fuel economy gain in GM 6.2L V8 using Dynamic Skip Fire technology; emissions benefits too

Green Car Congress

In a paper presented at the 2016 SAE World Congress, Tula Technology, developer of Dynamic Skip Fire (DSF) cylinder deactivation technology, reported significant fuel economy gains of up to 18% over a conventional GM 6.2-liter GM has been working closely with Tula Technology; in 2012, GM Ventures made an equity investment in Tula.

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Oak Ridge-GM prototype low-viscosity ionic liquid-additized engine oil delivers 2% fuel economy improvement over 5W-30

Green Car Congress

A team from Oak Ridge National Laboratory and General Motors, led by ORNL researcher Dr. Jun Qu, has developed a new group of ionic liquids as lubricant additives that could help improve the energy efficiency of cars and trucks. Jun Qu, Dinesh G. Bansal, Bo Yu, Jane Y. Howe, Huimin Luo, Sheng Dai, Huaqing Li, Peter J. Blau, Bruce G.

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New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. And, according to Police Fleet Magazine , the typical police vehicle wastes half a gallon of fuel for each hour it idles. The base 3.5-liter Click to enlarge.

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2012 Chevy Sonic with 1.4L Turbo delivers 40 mpg on highway

Green Car Congress

2012 Sonic. The 2012 Chevrolet Sonic with the Ecotec 1.4L L/100km) on the highway with a six-speed manual transmission and city fuel economy of 29 mpg (8.1 manual delivers fuel economy of 26 mpg city (9.0 Production began earlier this summer at General Motors Orion Assembly facility in Lake Orion, Mich.

MPG 262
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New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. And, according to Police Fleet Magazine , the typical police vehicle wastes half a gallon of fuel for each hour it idles. The base 3.5-liter Click to enlarge.