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Clean Truck Rules Public Listening Session 1

September 7, 2022 @ 6:00 pm 8:00 pm

The Air Pollution Control Division invites you to two upcoming public listening sessions on Colorado’s Clean Truck rules, which will be proposed to the Air Quality Control Commission by the end of 2022. Come learn more, ask questions, and share your thoughts!

Registration is required and language interpretation is available upon request.

Public Listening Session #1

This meeting will be offered in-person AND via Zoom.

Wednesday, September 7 from 6:00 p.m. to 8:00 p.m.

Location: The People’s Building at 9995 E Colfax Ave in Aurora, CO




To address climate change and improve Colorado’s air quality, the Air Pollution Control Division plans to propose the following rules to the Colorado Air Quality Control Commission:

  • The Advanced Clean Trucks (ACT) rule would require manufacturers of medium and heavy-duty on-road vehicles to sell an increasing percentage of zero-emission vehicles of their annual sales from model year 2027 and beyond. 
  • The Low NOx Truck rule would require heavy-duty vehicle manufacturers to make cleaner vehicles, improve how they test vehicle engines, and extend engine warranties. Nitrogen Oxides are a family of poisonous, highly reactive gases that are formed when fuel is burned at high temperatures from cars, trucks, buses, power plants and more. This rule would reduce NOx emissions per new vehicle sold by 90% below current standards starting in model year 2027 – providing significant public health benefits.

If adopted in calendar year 2023, these rules would take effect in calendar year 2026, and apply to new vehicles model year 2027 and later.

You can submit written comments here.