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Auto Alliance urges EPA to withdraw premature Final Determination on light-duty GHG regulations, resume Midterm Evaluation process with NHTSA

Green Car Congress

The Auto Alliance has sent a letter to EPA Administrator Scott Pruitt requesting that the US Environmental Protection Agency withdraw the Final Determination on the Appropriateness of the Model Year 2022-2025 Light-Duty Vehicle Greenhouse Gas Emissions Standards under the Midterm Evaluation which EPA announced on 13 January 2017. Background.

EPA 186
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SAE releases technical white paper on two new low-GWP refrigerants; alternates to R-1234yf

Green Car Congress

The MRB CRP team is now sharing a technical White Paper for these blends, based upon the information previously reported at SAE Thermal Management System Symposium (TMSS) in October 2012, and more recently updated at UNEP Round Table on New Technology in Refrigeration and Air Conditioning held in Milan on 7 June 2013.

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SAE CRP: growing high level of confidence that R1234yf can be used safely; “disappointment” with departure of Daimler, BMW and Audi

Green Car Congress

This review—the fourth such—was launched in October 2012 after Daimler in September announced that findings from its internal investigations raised questions on the safe usage of R-1234yf as a replacement refrigerant in mobile air conditioning (MAC) systems and said that it would not use this chemical in its products.

Audi 225
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NHTSA Sets MY 2011 CAFE Standards; Estimates Industry-Wide 27.3 mpg

Green Car Congress

The US National Highway Traffic Safety Administration (NHTSA) has set the model year 2011 CAFE standards, which it estimates will raise the industry-wide combined light-duty vehicle fuel economy average to 27.3 Average Fuel Economy Standards Passenger Cars and Light Trucks Model Year 2011. million metric tons during that period.

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