A recent EPA reference mixed up NOx and nitrous oxide. It’s an easy mistake. Just not one you expect to see in emissions ...

It may not be mainstream yet, but nitrous oxide is a great way to provide a performance boost for your street-driven or racing diesel truck. Tired of turbo lag and looking for a quick kick in the ...

One of the easiest ways to make big power is with nitrous oxide. While there are kits on the market today that provide hundreds of horsepower over stock, we've also noticed that many of the "big boys" ...

There's a lot of talk about so-called clean diesel, which in North America means any diesel that meets tailpipe emissions standards that went into effect seven years ago. Those standards, known as ...

California developer "Big" Mike Harrah already owns a 3,000-hp hot rod powered by a PT boat's V12. His next project? A Peterbuilt-based rod with a 24-cylinder Detroit Diesel, churning 3,400 hp via ...