If you see different colored exhaust fumes it’s time to pay attention to your car. Even if your vehicle isn’t flashing any ...

In addition to indicating a possible problem, smoke from the tailpipe means dirty emissions. Most states and some municipalities mandate periodic tailpipe-emissions testing. If your car is emitting ...

DEAR CAR TALK: I'm 71 years old and have noticed that very few passenger vehicles on the roads today smoke from the exhaust pipe. Years ago, it was very common to see cars, even relatively new models, ...