You never want to see white smoke coming from your exhaust. However, if it does happen, it's a good idea to get the problem ...

During normal operation, the emissions from a car's tailpipe should be invisible. But what if they're not? Should you be worried if you notice what looks like smoke? What should you do?

Even though increased exhaust smoke may be more noticeable when cars are started in the frigid weather, experts caution that white smoke could herald substantial vehicular trouble. Shaun Jones ...

It doesn’t really imitate tire smoke, since it disappears nearly the instant the car moves, but it’s still a neat effect. It’s a neat build that makes a great starting point for your dive ...