St. Louis Clean Cities

The St. Louis Clean Cities works with vehicle fleets, fuel providers, community leaders, and other stakeholders to save energy and promote the use of domestic fuels and advanced vehicle technologies in transportation.

Contact Information

P.O. Box 29253
St. Louis, MO 63126

Kevin Herdler

Kevin Herdler has been involved with the Clean Cities program since its inception in 1993 and assisted in forming Atlanta's Clean Cities program in Georgia. In 1998, Herdler relocated to St. Louis and became involved with the St. Louis Regional Clean Cities program. In 2000, he was appointed the executive director.

Herdler has been in the automotive field for 39 years and graduated technical school as a diesel technician. He is a veteran of the U.S. Air Force.

In 2011, Herdler was inducted into the Clean Cities Hall of Fame.

Darrin Peters

Darrin Peters has been the Co-Director of St. Louis Area Clean Cities since July, 2022. Peters works to strengthen relationships with businesses and municipalities who are considering or implementing alternative fuels. He helps plan events to educate our community on the potential of alternative fuels and periodically visits local schools as a guest speaker on renewable energy.

Before coming to Clean Cities, Peters taught high school chemistry for 30 years. In the last 10 years of his career, he developed a biodiesel project where students produced high quality biodiesel from waste grease collected from the community. Currently, the fuel is sold to 3 trucks in the catering fleet of Washington University.

General Stats

  • Designated: November 18, 1994
  • Population: 2,552,766 (based on 2021 Census estimate)
  • Area: 4,589 sq. mi.
  • Local/Regional Service Area: Illinois counties: Madison, Monrow, St. Clair; Missouri counties: Franklin, Jefferson, St. Charles, St. Louis, St. Louis City; City of St. Louis

Alternative Fueling Stations

Including public and private stations

  • Biodiesel (B20 and above): 3
  • Electric (charging outlets): 503
  • Ethanol (E85): 23
  • Hydrogen: 0
  • Natural Gas: 10
  • Propane: 14

Energy Use Impact*

Annual Energy Impact

Annual Energy Impact by Alternative Fuel Vehicle Project Type

Emissions Reduced*

Annual Emissions Reduced

Emissions Reduced by Alternative Fuel Vehicle Project Type
*2021 DOE-Verified Metrics

Learn about just some of the projects from St. Louis Clean Cities. Visit the St. Louis Clean Cities website for more projects and information.

Projects and Case Studies
Missouri High School Students Get Hands-On Training with Biodiesel
AT&T Fleet Reaches Milestone of 8,000 CNG Vehicles
St. Louis Airport Relies on Biodiesel and Natural Gas Vehicles