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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

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Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. Source: EPA. Data for MY 2011 are final; data for MY 2012 are preliminary and based on projected vehicle production values provided to EPA by manufacturers. Source: EPA. Click to enlarge. l/100 km), both slightly worse relative to MY 2010.

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Audi TDI models trounce EPA fuel economy ratings during “Truth in 48” cross-country efficiency drive

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Three new Audi TDI clean diesel models far exceeded their EPA fuel economy ratings in completing the “Truth in 48” cross-country efficiency drive that covered more than 2,850 miles between Southern California and New York. The Audi Q5 TDI served as a support vehicle carrying spare tires, supplies and luggage.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

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EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. Click to enlarge.

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EPA GHG Inventory shows US GHG down 1.7% y-o-y in 2019, down 13% from 2005

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The US Environmental Protection Agency (EPA) released its 28 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 2019. and CO 2 emissions from fossil fuel combustion up 2.6% Source: EPA. Source; EPA.

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EPA annual inventory shows US GHG up 3.1% from 2017-2018

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The 2020 edition of US Environmental Protection Agency’s (EPA) comprehensive annual report on nationwide greenhouse gas (GHG) emissions shows that emissions increased from 2017 to 2018 by 3.1% (after accounting for sequestration from the land sector). Source: EPA. >.

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Chevrolet to offer small number of 2016 Silverados pickups with e-Assist mild-hybrid technology; 13% better city cycle fuel economy

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As a result, Chevrolet can deliver a low-volume, affordably priced hybrid pickup that delivers uncompromised capability and up to 13% better fuel economy in city driving. Silverado already leads the full-size truck segment in V8 fuel economy. The electric motor also enables the Active Fuel Management system on the 5.3L

Silverado 150
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In-use emissions report for Achates heavy-duty OP diesel shows substantial margin to most stringent EPA NOx proposed regulation

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In addition, the Environmental Protection Agency (EPA) recently released its proposed rule to lower NO x emissions levels for commercial vehicles across the entire United States. Option 1 from EPA is similar in many respects to the CARB regulation. —Kent Johnson, Principal Investigator, Emissions and Fuels Research, UCR.

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