Miles per gallon (MPG) is well-established as the standard measure of fuel economy. It's so well established, in fact, that few of us question the MPG rating on a daily basis — at least until we ...

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 ...

Donald Trump rescinds a controversial EV fuel economy calculation rule that had been widely debated. The decision raises new ...

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 ...

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 ...

The last year or so has seen one gigantic shift in the automotive industry after another. Add another to the list today with the end of something called the fuel content factor (FCF). It’s a ...

The potential of technology to reduce fuel consumption can be estimated in three basic ways. One approach involves constructing an actual prototype vehicle with the technologies in question, ...

This chapter examines the costs and benefits associated with fuel-saving technology. The chapter begins with a review of the benefits and costs of meeting the Phase II standards as calculated by the ...