id,claim,value,unit,scope,data_period,source_publisher,source_url,accessed
F1,Median combined MPG lost when a model adds AWD or 4WD,1,MPG,"422 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F2,Median percent of combined MPG lost with AWD or 4WD,4.6,%,"422 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F3,Share of AWD and 4WD pairs within 2 MPG of the two-wheel-drive version,92.7,%,"422 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F4,"Median percent lost, all-wheel drive only",4.2,%,"279 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F5,"Median percent lost, four-wheel drive only",5.0,%,"144 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F6,Median combined MPG gained by a model's full hybrid version,11,MPG,"109 matched pairs across 33 models, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F7,Median percent of combined MPG gained by the full hybrid version,42.9,%,"109 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F8,Median percent of city MPG gained by the full hybrid version,61.1,%,"109 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F9,Median percent of highway MPG gained by the full hybrid version,18.5,%,"109 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F10,Mild hybrid pairs where the mild hybrid version is rated higher than the gas version,22,pairs,"42 matched pairs across 18 models, model years 2024 to 2026; 17 rated lower, 3 the same",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F10b,Mild hybrid pairs where the mild hybrid version is rated lower than the gas version,17,pairs,"42 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F10c,"Middle half of mild hybrid pairs, percent change in combined MPG (lower bound)",-4.8,%,"42 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F10d,"Middle half of mild hybrid pairs, percent change in combined MPG (upper bound)",20.4,%,"42 matched pairs, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F11,Share of 2026 versions labeled Hybrid in the EPA file that are mild hybrids,57.8,%,"133 of 230 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F12,Median percent of combined MPG gained by the diesel version,34.3,%,"32 matched pairs across 6 models, model years 2024 to 2026",Model years 2024 to 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F13,Share of 2026 gas-only versions rated 30 MPG combined or better,10.6,%,"60 of 567 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F14,Median combined rating of 2026 gas-only versions,21,MPG,"567 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F15,"Share of all 2026 gas, hybrid and diesel versions rated 30 MPG or better",17.3,%,"141 of 815 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F16,Share of 2026 full hybrid versions rated 30 MPG or better,74.2,%,"97 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17a,Median combined MPG of 2026 small SUV versions,25,MPG,"191 versions, model year 2026, 22.0% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17b,Median combined MPG of 2026 full-size SUV versions,20,MPG,"188 versions, model year 2026, 3.7% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17c,Median combined MPG of 2026 full-size pickup versions,19,MPG,"99 versions, model year 2026, 0.0% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17d,Median combined MPG of 2026 midsize car versions,28,MPG,"67 versions, model year 2026, 47.8% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17e,Median combined MPG of 2026 compact car versions,29,MPG,"59 versions, model year 2026, 40.7% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17f,Median combined MPG of 2026 subcompact car versions,24,MPG,"52 versions, model year 2026, 17.3% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17g,Median combined MPG of 2026 large car versions,24,MPG,"43 versions, model year 2026, 27.9% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17h,Median combined MPG of 2026 two-seater versions,18,MPG,"34 versions, model year 2026, 0.0% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17i,Median combined MPG of 2026 minicompact car versions,20,MPG,"29 versions, model year 2026, 10.3% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17j,Median combined MPG of 2026 small wagon versions,27.5,MPG,"18 versions, model year 2026, 22.2% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F17k,Median combined MPG of 2026 midsize pickup versions,23,MPG,"15 versions, model year 2026, 20.0% rated 30 MPG or better",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F18,"Average real-world fuel economy of all new vehicles, sales-weighted",27.2,MPG,All new light-duty vehicles,Model year 2024,U.S. EPA,https://www.epa.gov/automotive-trends/highlights-automotive-trends-report,2026-10-02
F19,Median energy use of 2026 EV versions,37.1,kWh per 100 miles,"321 versions across 65 models, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F20,Median efficiency of 2026 EV versions,2.69,miles per kWh,"321 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F21,Share of 2026 EV versions at 3 or more miles per kWh,28.0,%,"321 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22,Share of 2026 EV versions at 4 or more miles per kWh,1.2,%,"321 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22a,Most efficient 2026 EV version: Lucid Air Pure RWD with 19 inch wheels,23.1,kWh per 100 miles,"EPA record 49969, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22b,Least efficient 2026 EV version: Bugatti Rimac Nevera R,66.5,kWh per 100 miles,"EPA record 49630, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22c,"Median miles per kWh, 2026 full-size SUV EVs",2.55,miles per kWh,"95 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22d,"Median miles per kWh, 2026 small SUV EVs",3.07,miles per kWh,"93 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22e,"Median miles per kWh, 2026 compact car EVs",2.7,miles per kWh,"38 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22f,"Median miles per kWh, 2026 full-size pickup EVs",2.31,miles per kWh,"37 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22g,"Median miles per kWh, 2026 large car EVs",2.7,miles per kWh,"29 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F22h,"Median miles per kWh, 2026 midsize car EVs",3.07,miles per kWh,"18 versions, model year 2026",Model year 2026,"U.S. DOE and U.S. EPA, fueleconomy.gov",https://www.fueleconomy.gov/feg/download.shtml,2026-10-02
F23,"EPA MPGe and kWh ratings include charging losses, measured at the wall outlet",Yes,,All EPA electric vehicle ratings,Current method,U.S. EPA,https://www.epa.gov/greenvehicles/fuel-economy-and-ev-range-testing,2026-10-02
F24,Energy in one gallon of gasoline used for MPGe,33.7,kWh,EPA definition,Current method,U.S. EPA,https://www.epa.gov/greenvehicles/fuel-economy-and-ev-range-testing,2026-10-02