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Southern Colorado Clean Cities Coalition

The Southern Colorado Clean Cities coalition works with vehicle fleets, fuel providers, community leaders, and other stakeholders to reduce petroleum use in transportation.
Southern Colorado Clean Cities coalition

Contact Information

Nat Sobin
Coalition Website

Clean Cities Coordinator

Nat Sobin
Photo of Nat Sobin

Nathaniel (Nat) Sobin is a recent graduate of the University of Colorado at Boulder where he earned his PhD in engineering. His research emphasis relates to programmatic evaluation capacity of alternative fuels in the transportation sector. Sobin became the Coordinator of the Southern Colorado Clean Cities Coalition (SC4) in December of 2013. His research on alternative fuel deployment efforts has been funded by agencies such as the Federal Highway Administration and the National Science Foundation. In addition, he has written several white papers and peer-reviewed papers in this field.

Sobin enjoys biking, hiking, cycling, and running.

Southern Colorado Clean Cities
27 W Cimarron St, Unit 4
Colorado Springs, CO 80903
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Southern Colorado Clean Cities coalition Statistics
Population: 1,391,543
Area: 62,891 sq. mi.
Boundaries: Counties: Alamosa, Archuleta, Baca, Bent, Chaffee, Cheyenne, Conejos, Costilla, Crowley, Custer, Delta, Dolores, El Paso, Elbert, Fremont, Gunnison, Hinsdale, Huerfano, Kiowa, Kit Carson, La Plata, Lake, Las Animas, Lincoln, Mesa, Mineral, Montezuma, Montrose, Otero, Ouray, Park, Prowers, Pueblo, Rio Grande, Saguache, San Juan, San Miguel, Teller; City of Colorado Springs
Designated: July 13, 1994   
Alternative Fueling Stations:
   Biodiesel (B20 and above): 7
   Natural Gas: 5
   Ethanol (E85): 39
   Electric: 38
   Propane: 16
Annual Greenhouse Gas Emissions Avoided:* 6,326 tons of CO2
Annual Petroleum Savings:*
783,491 gasoline gallon equivalents
*2012 metrics