IRVINE, CA – Giving environmental scores for cars and trucks based on emission levels and fuel economy values, the U.S. EPA's Green Vehicle...

The federal government released highly anticipated "Phase 2" greenhouse gas/fuel economy rules for medium and heavy-duty vehicles Tuesday, which in some...

NEW HUDSON, MI – Icom North America, which makes liquid injection propane systems for vehicles, has earned eight additional U.S. Environmental...

The U.S. Environmental Protection Agency Administrator reaffirmed the Trump administrations claim that it would not cooperate with California on...

U.S. Senator James Inhofe (R-Okla.) wants the U.S. Environmental Protection Agency (EPA) to consider natural gas vehicles in addition to electric vehicles...

SAN FRANCISCO – Contra Costa County has voluntarily committed to replace all lead wheel weights from thousands of tires, resulting in a reduction of...

Model-year 2012 vehicles achieved an all-time high fuel economy of 23.6 miles per gallon (mpg), according to a report released by the U.S. Environmental...

The trucks use selective catalytic reduction to bring nitrogen oxide emissions down to EPA 2010 levels.

WASHINGTON - The U.S. Environmental Protection Agency has named Nissan a 2010 Energy Star Partner of the Year, recognizing the automaker's...

General Motors said Monday it plans to offer compressed natural gas and liquefied petroleum gas versions of the Chevrolet Express and GMC Savana full-size...