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 ...

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

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 ...

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.

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 ...