Penray has added Total Diesel Fuel System Cleaner to its Power Fleet product line. The diesel fuel treatment is formulated to dissolve and disperse asphaltenes and provide a total fuel system cleaning ...

One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...

Prepare to say goodbye to those smelly fumes and black exhaust clouds. Diesel is starting to clean up its act. On Oct. 15, truck stops and gas stations nationwide will begin selling "clean" diesel ...

A new study says the reduction in emissions in the newest clean-diesel engines has exceeded the amount required by law. The study released by the Coordinating Research Council in cooperation with the ...

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not ...

For decades, Volkswagen and Audi have held the only options for North American shoppers wanting a highly efficient model with a four-cylinder turbo-diesel—their 2.0-liter TDI engine. Now, with Mazda, ...

For decades, Volkswagen and Audi have held the only options for North American shoppers wanting a highly efficient model with a four-cylinder turbo-diesel—their 2.0-liter TDI engine. Now, with Mazda, ...