Most heavy-duty vehicles run on diesel engines, which you probably already know. What you might not realize is that there are actually different kinds of diesel fuels for various uses. One type that ...

It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...

If you own a diesel car, chances are it's fitted with a Diesel Particulate Filter — DPF for short. They can be a source of problems but our guide will help you avoid them. How Diesel Particulate ...