Anonymous ID: 5e27b8 March 31, 2020, 1:05 p.m. No.8638169   🗄️.is 🔗kun   >>8224 >>8340 >>8464

Sauce on SAFE vehicle rule - 1975 page PDF

A quick glance shows they offset mileage requirements by vehicle footprint.

 

https://www.epa.gov/sites/production/files/2020-03/documents/final-fr-safe-preamble-033020.pdf