Clean filters are vital to keeping your vehicle performing at its best, but most people don't think about cleaning the filters themselves. In typical cases, the fix for a dirty filter is to buy a new ...

Do diesel fuel additives really work, or are they just expensive snake oil? With diesel prices remaining painfully high, improving fuel economy, reducing regens and protecting expensive emissions ...

Every diesel truck owner eventually hears about the DPF — the diesel particulate filter that catches soot before it can escape out the tailpipe in order to burn it off once the exhaust is hot enough.

We’re just now beginning to accept that we have to do things differently from what we have always done in order to maintain our aftertreatment systems. We’ve had 14 years to figure it out, yet diesel ...