Boston is America’s most energy-efficient city, according to the American Council for an Energy-Efficient Economy. ACEE ranked the nation’s 34 largest cities based on their efforts to promote energy efficiency through their buildings, transportation, energy and water utility, local government operations, and community-wide initiatives. 

Here are the cities that took the top spots in ACEE’s rankings:

1. Boston
2. Portland, Ore.
3. San Francisco
4. New York City
5. Seattle
6. Austin, Texas
7. Washington, D.C.
8. Minneapolis
9. Chicago
10. Philadelphia

Source: Business Insider