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BCG study finds conventional automotive technologies have high CO2 reduction potential at lower cost; stiff competition for electric cars

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Advanced combustion technologies alone could reduce CO 2 tailpipe emissions by 40% from current average levels for new-vehicle fleets of 250 to 270 grams per kilometer (g/km) in the United States, 150 to 170 g/km in Europe, 130 to 140 g/km in Japan, and 200 to 215g/km in China, according to the analysis.

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National Research Council Report Explores Improving Fuel Economy of Medium- and Heavy-Duty Vehicles; Recommends Immediately Beginning Developing a Regulatory Approach

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NHTSA should determine whether a system of standards for full but lightly loaded (cubed-out) vehicles can be developed using only the LSFC metric or whether these vehicles need a different metric to properly measure fuel efficiency without compromising the design of the vehicles, the report suggests.

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MIT Energy Initiative report on transforming the US transportation system by 2050 to address climate challenges

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The report addresses topics related to the evolution of vehicle technology and its deployment, the development of alternative fuels and energy sources, the impacts of driver behavior, and the implications of all of these factors on future GHG emissions in the United States, Europe, China, and Japan.

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