Because gasoline engines run on a mixture of air and fuel, the air has to be cleaned before it's mixed with the fuel. The air filter removes dirt and dust particles before they can enter the ...

Air filters reside in the air-intake system, and they’re there to catch dirt and other particles before they can damage internal engine parts. Engine air filters are usually made of paper, although ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

Gas and diesel engines still power most vehicles and look poised to be with us for some time to come, even if their dominance is waning. Any engine that develops its power from burning fuel depends on ...