{'mode_taxis': nan, 'IkiSheet': 'mitigation', 'page_number': nan, 'mode_inland_shipping': nan, 'mode_coastal_shipping': nan, 'g20': 'G20', 'mode_cycling': nan, 'mode_road': nan, 'geo_not_defined': 'x', 'high_level_category': 'Low-carbon fuels and energy vectors', 'g7': 'G7', 'geo_inter-city': nan, 'mena': 0, 'mode_heavy_rail': nan, 'mode_walking': nan, 'mode_international_maritime': nan, 'mode_not_defined': nan, 'mode_aviation': nan, 'geo_urban': nan, 'activity_type': 'E_Notdefined', 'a_s_i': 'Improve', 'mode_high-speed_rail': nan, 'mode_cars': 'x', 'indicator': 'Vehicle efficiency standards', 'mode_water': nan, 'mode_truck': nan, 'oecd': 'OECD', 'mode_two-/three-wheelers': nan, 'income_group': 'High-income', 'mode_bus': nan, 'mode_transit_rail': nan, 'geo_rural': nan, 'region': 'Northern America', 'parameter': 'I_Vehicleeff', 'mode_private_cars': nan, 'category': 'Vehicle improvements', 'mode_rail': nan, 'annex_type': 'Annex I', 'mode_active_mobility': nan}
, and the Energy Independence and Security Act (42 U.S.C. § 17001 et seq.). Since 2009, the United States has completed the following regulatory actions: • Under the Clean Air Act, the United States Department of Transportation and the United States Environmental Protection Agency adopted fuel economy standards for light-duty
, and the Energy Independence and Security Act (42 U.S.C. § 17001 et seq.). Since 2009, the United States has completed the following regulatory actions: •   Under the Clean Air Act, the United States Department of Transportation and the United States Environmental Protection Agency adopted fuel economy standards for light-duty vehicles for model years 2012-2025 and for heavy-duty vehicles for model years 2014-2018.
Introduce fuel economy standards for light-duty vehicles for model years 2012-2025 and for heavy-duty vehicles for model years 2014-2018