View post: 2026 Hyundai Sonata vs. 2026 Toyota Camry: Which One Is Right for You? In the United States, we measure fuel economy in terms of miles per gallon, or mpg. And the units are straight forward ...

The Energy Department "lacks statutory authority" to apply a multiplying factor that boosted the miles per gallon equivalent ...

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 ...

Today’s vehicles are designed to maximize fuel economy in numerous ways. One such feature is the automatic start/stop function that shuts off the engine when your car is idling and restarts it when ...