With wildfire ash spreading across Western Washington, cars are a little dirty these days. Even before the debris from charred flora blew this way, Fabian Borowiecki’s car needed a wash. The Everett ...

Soot particles are dangerous – there is nothing new in this knowledge. But what is it that makes fine particulates dangerous? Is it only diesel soot from vehicle engines? Does the danger also come ...

A car's diesel soot caused a large Southern California wildfire that forced the evacuation of thousands and is threatening hundreds of homes, authorities said Monday. In an interview, a spokesman with ...

A home on Centennial Court in Walkers Woods is threatened as the woods catch fire behind the home. Firefighters quickly extinguished the blaze. Evacuations continued over night for communities in the ...

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 ...

New Jersey's air quality still gets failing grades for smog, but in recent years it has gotten far better in one facet. The quantity of microscopic particles of soot, which can trigger heart attacks ...