It allows farmers to roll coal if they say it's needed for a repair. So environmental destruction is the angle here.
TRACTOR PULLS: It's Not What You Think - Smarter Every Day 276 : https://youtu.be/VZ6_8WJ3mh8
TRACTOR PULLS: It's Not What You Think - Smarter Every Day 276 : https://youtu.be/VZ6_8WJ3mh8