Federal investigators estimate hundreds of thousands of Americans have illegally rigged their diesel pickups to collectively emit 16 times the level of pollution they otherwise would have over the ...

The U.S. Environmental Protection Agency on Friday announced a new in-use testing program for diesel truck and bus emissions. Prior to this program, an engine had to be removed from the truck for ...

Diesel fuel still has a large role to play in achieving greater emissions reductions in heavy-duty trucks, experts said during a recent conference in San Francisco. Separately, they urged more in-use ...

Hayden Nelson, a technician at the Provo Car Doctors, examines a Kia Optima during an emissions test at the repair shop on Wednesday, Jan. 2, 2019, in Provo. The new light duty diesel emissions and ...

As GM Authority reported back in September 2021, a lawsuit had been filed against General Motors over the suspicion of an emissions defeat device in diesel-powered Chevy Cruze units. Now, after eight ...

Volkswagen has announced that it will stop using animals in testing the effects of its diesel vehicles. The New York Times reports that the German automaker made the pledge in a letter addressed to ...

I know better. Driving from Las Vegas to Los Angeles on a Sunday afternoon is a circle of hell unto itself. After three days of touring wide-open interstates and empty state highways in Colorado and ...

Dieselcraft Fluid Engineering has introduced its Fuel Test #W-1, an early warning system to test for 200 ppm suspended water in diesel fuel, jet fuel, kerosene and gasoline. “It tells you water is ...

ROCHESTER, N.Y. – As businesses, school districts, cities and power companies all signal they’re not ready for the state’s forced transition to zero emission trucks and buses, one local company says ...