If you drive a car with an internal combustion engine, which is most modern vehicles that run on fossil fuels, then your engine requires a precise combination of fuel and oxygen to function properly.

Some mechanics might try to sell you a new air filter, claiming a clogged one will hurt gas mileage, but for most customers, ...

Air filters provide a vital service for your car engine. They keep dust, dirt, sand, debris and the odd insect from entering the engine. Replacing them at regular intervals improves fuel economy and ...

Changing an air filter is usually considered routine maintenance — well, except for Ford's "lifetime" air filters – and you can find all kinds of dirt and debris stuck to your old filter before you ...

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Clogged air filters can reduce your miles per gallon and cause your vehicle to ...

While opening up an engine’s air filter box to check on the condition of the filter isn’t exactly rocket science, plenty of owners can’t be bothered to do it, often relying instead upon the word of an ...

A U.S. Department of Energy study confirms that replacing a clogged air filter in modern fuel‑injected cars does not improve fuel economy, though it can enhance acceleration. The finding dispels a ...

Diesel engines typically have beefier, more robust cooling components to keep the motor cool in varying conditions. Modern diesels operate at a higher compression ratio, which makes their combustion ...