Membership Applications

Denver Metro Clean Cities Membership

To sign up as a member of the Denver Metro Clean Cities Coalition via check: Denver Metro Clean Cities Membership Application.

For an invoice contact

To sign up for membership with Denver Metro Clean Cities via credit card:  Apply Online – credit card 


Statewide Clean Cities Membership

To become a member of Denver Metro, Northern Colorado, and Southern Colorado Clean Cities Coalitions at once, join as a statewide member for a substantial discount. Note: There is a $22.05 fee for paying online with a credit card using the drop-menu below. You may also pay by check and avoid that fee by completing the form through Northern Colorado Clean Cities’ website. The ‘primary coalition’ is the coalition located in the part of the state you expect to work in most often.

Statewide Membership Opportunities

Clean Cities Headlines

Upcoming Events

  1. CNG Cylinder and Fuel System Inspector Training

    August 22 - August 23
  2. CNG Cylinder and Fuel System Inspector Training

    September 6 - September 7
  3. National Drive Electric Week

    September 9 @ 8:00 am - September 17 @ 5:00 pm
  4. Electric & Hybrid Vehicle Technology Expo

    September 12 - September 14
  5. Rail~Volution 2017 Conference

    September 17 - September 20