Technical

Dirt Legal's Guide to EPA Diesel Emissions Requirements

Dirt Legal's Guide to EPA Diesel Emissions Requirements

For decades, the EPA has shaped emissions standards to tackle the pollution created by diesel engines, which power everything from trucks to construction equipment. This article delves into the evolution of Tier 1 through Tier 4 standards, the Energy Policy Act's initiatives, and state-specific regulations like California’s CARB standards. Discover how to meet compliance, whether through retrofitting, cleaner technology, or alternative registration options like Montana LLCs, to help diesel vehicle owners work within these regulations while considering their impact on air quality and public health.

Dirt Bike Suspension 101: Adjustments Made Easy

Dirt Bike Suspension 101: Adjustments Made Easy

The ultimate dirt bike upgrade isn’t an upgrade at all – it’s making the most of what you’ve got. And while you’re add it, you might as well invest in making your dirt bike street legal.

Why Two-Strokes Went Away (And How They're Coming Back)

Why Two-Strokes Went Away (And How They're Coming Back)

You’ve heard stories about amazing torque and incredible speed. So where are all the street legal two-strokes? Let’s take a look and find out where they are, and what you need to do to make your two-stroke dirt bike street legal.