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FIGURE S.1 Estimated U.S. LDV petroleum use in 2030 and 2050 under policies emphasizing specific technologies. Midrange values are the committee’s best estimate of the progress of the technology if it is pursued vigorously. All scenarios except the Committee Reference Case (current policies, including the fuel economy standards for 2025) include midrange efficiency improvements. Controls for GHG emissions from hydrogen and electricity production are not assumed because the main objective is to reduce petroleum use.

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FIGURE S-2 Estimated U.S. LDV GHG emissions in 2050 under policies emphasizing specific technologies. All scenarios except the Committee Reference Case (current policies, including the fuel economy standards for 2025) include midrange efficiency improvements. Fuel production for these scenarios is assumed to be constrained by policies controlling GHG emissions (low GHG production).



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