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 ...

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 ...

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.