A well-running and adequately maintained diesel engine should produce no visible smoke from the tailpipe. Modern diesel engines equipped with common-rail direct-injection technology have unlocked more ...

We have to admit that diesel truck engines are very good right now, especially the one in the Silverado. However, you're never going to see that kind of engine in a Ford Mustang... unless somebody ...

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 ...