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 ...

Corporate Average Fuel Economy (CAFE) standards were explicitly designed to regulate conventional-fuel vehicles, not alternative-fuel vehicles. Yet through regulatory sleight of hand, the program now ...

The U.S. Department of Energy (DOE) has finalized new rules to estimate the mileage of electric vehicles. The ruling better represents the real-world efficiency of EVs and is expected to help the ...

As the cost of diesel rises, so does trucking companies’ interest in technology to monitor and improve miles per gallon. While fuel economy always is a top concern for fleets, the urgency to wring ...

Fuel economy figures for the midsize 2026 GMC Canyon pickup truck have been updated slightly compared to figures from the 2025 model year, reflecting small calculation adjustments for the official EPA ...

WASHINGTON, April 10 (Reuters) - The U.S. Energy Department (DOE) on Monday proposed reducing electric vehicles' (EV) mileage ratings to meet government fuel economy requirements, a move that could ...

A new study found that the benefits of car preheating for both fuel economy and emissions are minimal. The researchers focused on vehicle fuel consumption and emissions under cold winter conditions.

Fleets needn’t look long or hard to find products promising fuel-saving benefits. Aerodynamic add-ons, low-viscosity ...