If you own a diesel car, chances are it's fitted with a Diesel Particulate Filter — DPF for short. They can be a source of problems but our guide will help you avoid them. How Diesel Particulate ...

We may receive a commission on purchases made from links. One of the things you might not know about diesel engines is that based on the chemicals emitted during operation such as Carbon Monoxide (CO) ...

As wildfire smoke causes air quality to reach “unhealthy” levels across the Pacific Northwest, air filters and masks are flying off store shelves. Before you buy, however, health experts recommend two ...

This is a developing story. For the latest local updates head to LAist.com and sign up for breaking news alerts. Interest in air filters and purifiers is spiking in Southern California, including ...