Drivers love a good number to chase, and nothing gets more attention than the miles-per-gallon readout staring back from the ...

Automated control of cars may let “drivers” rack up more fuel savings than if they were completely in charge, according to a new study conducted by the U.S. Department of Energy’s National Renewable ...

WASHINGTON — The U.S. Energy Department is proposing an update to a decades-old calculation that determines the petroleum-equivalent fuel economy of electric vehicles for NHTSA's fuel economy ...

Washington — Overshadowed by the Biden administration’s new tailpipe emissions rule, the Department of Energy finalized changes last month to a little-known calculation that could dramatically impact ...

Besides budget-friendly pricing and easier maneuverability and parking, one of the selling points of subcompact luxury SUVs is fuel economy. The all-new 2019 Lexus UX is one of the most fuel-efficient ...