The Diesel Particulate Filter (DPF) is an important part of modern diesel vehicles that many people don’t understand. The DPF’s main job is to catch harmful soot and ash from the exhaust stream before ...

Chevron says its new heavy-duty diesel engine oil is so effective at reducing DPF soot that exhaust systems could once again become hands-off maintenance items for some long-haul fleets. Hailing it as ...

Note: This is the second in a series that looks at the diesel particulate filter and maintenance best practices that an impact its lifecycle. The first installment, "Diesel coolant heaters boost DPF ...