If your car was not cleaned for a long time and it has a lot of carbon deposits, one full tank of gasoline or diesel and a ...

If you live in a cold climate and run a diesel car, you can get additives that stop the diesel fuel in your tank from congealing ... claims about the effective 'cleaning' that high-octane fuels ...

Even tried-and-true diesel motors need proper care and feeding to keep clattering along, and proper diesel fuel additives will ... with proven cleaning capabilities, performance benefits, and ...