No exhaust means no emissions, right? Not quite. It is commonly known that while electric vehicles do not produce tailpipe ...

As you know, a normal car engine works with four strokes – intake, compression, power and exhaust. Let’s look at that last one — exhaust. On the exhaust stroke, the gas remaining from the ...

Make a spare cone and have tape, folders, and scissors on hand when you collect the gas. Practice filling a balloon with car exhaust before class. Approach the exhaust pipe from the side and hold ...