According to the linked article It also includes changes to mandated rest periods to help ensure truckers are even more sleep deprived than they already are.

I did see one good provision, allowing to split the 14 hours of driving time with a 30-180 minute break in the middle. But encouraging the mandatory 10 hour rest periods to instead be 2 5 hour rest periods will make for very sleep deprived humans operating 40,000lb machines at 70+MPH