I think I might have just found what is probably one of the greatest vans ever built. This 1991 Ford Econoline 350 is a dually conversion van. That alone would be radical enough, but the seller then ...

The next time you see a semi truck rumbling down the highway, pay attention to the vertical exhaust stacks rising up from behind the cab. These exhaust pipes aren't just for aesthetic purposes: These ...

One question I often am asked is, “How tall should the exhaust stack be?” It’s a seemingly simple question, but the only way to get an exact answer is to run an air dispersion model. That takes time, ...