While diesel engines can sometimes put off more smoke than a traditional gasoline engine, seeing a lot of it can be a very bad sign. Here's what to look for.

For nearly 24 years, Super Mario 64 has had a strange-looking smoke effect whenever Mario's pants caught fire, which is the kind of thing we've long attributed to it being a launch title from a ...

However, blue smoke means there is more of it than there should be. How? Apart from filling your car with too much oil, the most common cause of this issue is worn piston rings.