The Trump administration began the process of revising Obama-era fuel economy standards for vehicle manufacturers today, and announced it may revoke...

Fuel economy has been and will be the guiding force for change for the manufacturers as well as for our politicians for the near future.

Fleet managers should stay current with new developments in the auto industry but stay grounded in reality to keep their fleets efficient and prepared for...

The EPA expects that automakers will raise fuel economy 10 mpg higher than the current fleet average by model year 2025.

The 2.7L demonstration engine will be integrated into a drivable prototype in 2018 and development engines will also be available for automakers.

Vowing to end the "assault on the American auto industry," President Donald Trump promised to reopen a federal review of fuel economy standards that was...

Improving gasoline fuel economy and strong demand for trucks and SUVs has led federal regulators to eliminate the 54.5 mpg corporate fuel economy target for...

Three federal agencies on Monday dropped the 54.5 mpg corporate fuel economy target for 2025, which would ease the burden on car and truck manufacturers to...

Automakers beat U.S. fuel-economy standards for the 2015 model year for the fourth year in a row, reaching an average of 29.4 miles per gallon for passenger...

The U.S. Environmental Protection Agency has proposed leaving in place its emissions standards for light-duty vehicles through 2025 in a move that's...