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EPA Regions and Regional Clean Diesel Collaboratives
Northeast Diesel Collaborative Exit
EPA Region 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont and 10 Tribal Nations
EPA Region 2: New Jersey, New York, Puerto Rico, the U.S. Virgin Islands and 8 Tribal Nations
Mid-Atlantic Diesel Collaborative Exit
Region 3: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia
Southeast Diesel Collaborative Exit
Region 4: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and 6 Tribal Nations
Midwest Clean Diesel Initiative
Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin and 35 Tribal Nations
Blue Skyways Collaborative Exit
Region 6: Arkansas, Louisiana, New Mexico, Oklahoma, Texas and 66 Native Tribes
Region 7: Iowa, Kansas, Missouri, Nebraska and 9 Tribal Nations
Rocky Mountain Clean Diesel Collaborative
Region 8: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 27 Tribal Nations
West Coast Collaborative Exit
Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Region 10: Alaska, Idaho, Oregon, Washington, and 271 Native Tribes