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FuelEconomy.gov

Look up official EPA fuel economy data from FuelEconomy.gov, the U.S. government's own source: any car from 1984 on with its city, highway and combined MPG, annual fuel cost, CO2 and smog ratings; the fuel prices the ratings are costed at; the mileage real drivers report; and the federal clean vehicle tax credits for new and used EVs, plug-in hybrids and fuel cell vehicles.

actions
17

Actions

Steps a workflow can run in FuelEconomy.gov.

  • Find a vehicleLook up a car's official EPA ratings by year, make and model: city, highway and combined MPG, annual fuel cost, CO2, the EPA scores, and the engine and transmission behind them. Pick a trim for one exact vehicle, or leave it empty to get every trim of the model with its own ratings.
  • Get vehicleGet one vehicle's full EPA record by its id: fuel economy, annual fuel cost, CO2, petroleum use, the fuel economy and greenhouse gas scores, interior volume, and the electric or plug-in hybrid figures when the vehicle has them.
  • Get vehicle emissionsGet a vehicle's emission records: its EPA smog rating out of 10, the emission standard it was certified to, and whether it is a SmartWay vehicle. One record per sales area, because a car certified for California and for the rest of the country is rated separately in each.
  • Compare vehiclesPut two to five vehicles side by side on fuel economy, annual fuel cost and tailpipe CO2, and name the winner on each. Feed it the ids from 'List trims' or 'Find a vehicle'.
  • Estimate fuel costWork out what a vehicle costs you to fuel, for your own mileage and city/highway split, at today's published fuel price or one you supply. Returns the yearly and monthly cost, the cost per mile, the fuel used and the CO2 that goes with it. EPA's own figure assumes 15,000 miles a year at 55% city.
  • Get fuel pricesGet the national fuel prices FuelEconomy.gov costs its ratings with: regular, midgrade and premium gasoline, diesel, E85, electricity, compressed natural gas and propane. Gasoline and diesel are updated weekly, the alternative fuels quarterly.
  • List model yearsList every model year EPA publishes ratings for, newest first. The catalogue starts at 1984 and runs a year or two ahead of the calendar.
  • List makesList the manufacturers EPA rated for one model year (the first step of the year → make → model → trim walk that leads to a vehicle id).
  • List modelsList the models a make had in one model year, spelled the way EPA spells them ('Civic 4Dr', 'CR-V AWD'), which is the spelling the other actions need.
  • List trimsList a model's trims (each engine, transmission and drive combination EPA rated separately), with the vehicle id that every other action takes.
  • Get shared MPG summaryGet the fuel economy drivers actually report for a vehicle through FuelEconomy.gov's My MPG: the average, the best and worst, the city/highway split and how many drivers it is based on. Says so plainly when nobody has shared any.
  • List shared MPG reportsList the individual driver reports behind a vehicle's shared fuel economy: each driver's average MPG, their city/highway split, their state and when they last updated it. Highest MPG first, because popular cars have hundreds of them.
  • List shared MPG makesList the makes drivers have shared fuel economy for. This is a different, older catalogue from the ratings one; it reaches back to makes that no longer exist.
  • List shared MPG modelsList a make's models that drivers have shared fuel economy for, ready to feed into 'List shared MPG vehicles'.
  • List shared MPG vehiclesList every vehicle record of one model that drivers have shared fuel economy for: one per model year and engine, each a full EPA record whose id feeds the shared MPG summary and reports.
  • List new vehicle tax creditsList the federal clean vehicle tax credits for new electric, plug-in hybrid and fuel cell vehicles: the credit amount, the MSRP cap, whether the vehicle is assembled in North America, and the purchase dates the credit covers. Filter by make, model, model year, technology, or a purchase date.
  • List used vehicle tax creditsList the vehicles eligible for the federal pre-owned clean vehicle credit, by make, model, model year and technology. The credit is worth 30% of the sale price up to $4,000, so the list names the qualifying models rather than an amount.

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