DEF crystallization can cause major headaches for diesel owners. Learn how to prevent this issue and protect your truck's emission system.

Do fuel and oil additives really work?

We reach out to the experts to see what you can gain by adding additives to a diesel engine.

I want to be the go-to publication for anyone who loves diesel. I am confident that with our hard work and dedication, Diesel Army is destined to claim that spot! We wrench like our enthusiasts, race cars on a track

We wanted to uncover EFILive's AutoCal V3 and see what it was like. Here is our recent interview with the owner of Starlite Diesel, Zach Fuller.

"Race Gas" may just be something you buy to fill up and run your exotic race engines, but for Steve Burns of VP Racing Fuels, it's his life.

Look who we bumped into at the 2016 SEMA Show – Heavy D and Diesel Dave of Diesel Brothers! Making some of the biggest, baddest, and most incredible diesel vehicles out there, these guys are winning the truck game

We sit down with Jerry Lagod and see how he has helped shape the modern era of tractor pulling. Shee what he has to say inside!