How do car exhaust systems work? Why do cars have exhaust pipes? What are the different components of an exhaust system? An ...

If you live in the United States and own an internal-combustion vehicle, you almost certainly use gasoline rather than diesel fuel. But that doesn't mean diesel isn't widely used. On the contrary, the ...

The next time you see a semi truck rumbling down the highway, pay attention to the vertical exhaust stacks rising up from behind the cab. These exhaust pipes aren't just for aesthetic purposes: These ...