Methodology
To find the 12 most eco-friendly cars in America, 24/7 Wall St. reviewed greenercars.org ratings of 2022 model year cars. Greenercars.org is part of the nonprofit research organization American Council for an Energy-Efficient Economy (ACEEE). To avoid repetition, only the highest scored model for each car is included.
The organization determines its ratings based on fuel economy and emissions results from different sources as well as estimated pollution from vehicle manufacturing, from the production and distribution of fuel and from vehicle tailpipes. The combined emissions estimate factors into a Green Score that runs on a scale from 0 to 100, with 100 being least polluted.
Fuel economy and five-year savings in fuel costs for each vehicle came from the Environmental Protection Agency’s fueleconomy.gov site. MPG figures for city and highway for each car came from greenercars.org and were converted to MPGe from miles per kilowatt-hour for electric operation. One MPGe is comparable to 33.7 miles per kilowatt hour.
