A new product from Penray is said to fight asphaltene build-up and cleanse contaminants and deposits from diesel fuel. The company’s Total Diesel Fuel System cleaner dissolves and prevents the ...

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 ...

Your gasaholic friends may not believe you, but feel free to tell them that diesels will soon be cleaner than current gasoline engines. It's not a trick-they'll have to be that clean if manufacturers ...

We earn commissions from purchases you make using links in our articles. Learn more. Fuel injector cleaners can help increase your car's performance and fuel economy. It's the easiest way to clean ...

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, ...

Fuel injectors can get gummed up with dirt and fuel residue over time. Photo credit: David Traver Adolphus / Autoguide.com. Over time and miles, your car might start to slow down. It might not ...