Following the successful adoption and implementation of the National Program for greenhouse gas (GHG) and fuel economy standards for 2012-2016 model-year...

Fleet managers will see an increase in acquisition cost, which could cause many to wait before diving into new fuel technology headfirst.

Secretary Ray LaHood sent a letter via email to DOT employees across the country, thanking the DOT’s staff for its hard work and mentioning specific...

Michigan's U.S. senators are backing a proposal that would allow automakers to apply credits for model years as far back as 2009 to help them meet future...

A coalition of 13 attorneys general led by New York's Eric Schneiderman told the Trump administration it could expect a "vigorous" legal challenge to any...

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...

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

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.

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...