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 ...

Dieselcraft’s #OX-20 diesel fuel test is designed to test fuel for oxidation to prevent sludge buildup and other harmful substances. The fuel test shows results in less than 20 minutes and will ...

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 ...

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 ...