It’s easy to overlook the need to wash your water filter pitcher when you’re only ever filling it up with water. After all, how dirty can it get? But just like reusable water bottles, pitchers can be ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

You’re gazing idly at the landscape when a yellow light on the dash winks on, spoiling the serenity: Your diesel particulate filter (DPF) needs attention. In most situations, the warning doesn’t ...

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 ...