> Do you have an actual citation for this? I would start reading here: https://www.epa.gov/regulations-emissions-vehicles-and-engines/regulations-emissions-he

> Do you have an actual citation for this? I would start reading here: https://www.epa.gov/regulations-emissions-vehicles-and-engines/regulations-emissions-heavy-equipment-compression https://www.epa.gov/regulations-emissions-vehicles-and-engin...