If you've taken a close look at the shiny exhaust tips on some new cars, you may have noticed that there isn't anything ...

The exhaust manifold, the closest component to the engine, collects exhaust gases from each engine cylinder. Then, the converter transforms the gases into less harmful ones, and the sensor measures ...

This helps time the exit of exhaust gases so they don't interfere with each other, improving how efficiently the system clears the cylinders. A good example is Mazda's SkyActiv-G engine, ...

So you've decided to take the leap and add a cat-back exhaust system to your car. Will it work without a tune? Here's what you need to know.

Animal ecologists at the University of Bayreuth have now studied the effects of diesel exhaust particles on bumblebees for the first time. The decline of insects threatens many ecosystems worldwide.

This helps time the exit of exhaust gases so they don't interfere with each other, improving how efficiently the system clears the cylinders. A good example is Mazda's SkyActiv-G engine, ...