The EPA Isn't Killing Diesel–Tuners Are Killing Their Own Credibility (carsandhorsepower.com)
The diesel tuning community loves to play the victim. They cry about government overreach, whine about emissions regulations "killing performance," and rage against the "tyranny" of clean air laws. Yet, these same enthusiasts gleefully roll coal—intentionally spewing thick, toxic black smoke from their modified trucks—as if environmental destruction were a badge of honor.