
- Higher adoption of fully electric vehicles and plug-in hybrids led to a record drop in new-vehicle emissions in the U.S. in 2023.
- Tesla has been leading fuel economy chart for six straight years. Stellantis fared the worst every year since 2015.
- Hyundai, Kia, BMW and Mercedes witnessed the largest emissions reductions for model year 2023 cars.
- SUVs are now more efficient than any other body type, including sedans, thanks to electrification and higher volumes sold.