Minneapolis scored 65.75 overall . The city was number one for transportation , 26 for environment , 28 for energy sources and 18 for lifestyle and policy . In 2011 , it introduced a ‘ green fleet ’ policy which aimed to combat air pollution while reducing costs of city vehicles . The city has so far introduced a total of 73 hybrid vehicles , three all-electric vehicles , 404 flex-fuel vehicles , 290 bio-diesel vehicles , and a dust-free street sweeper . Other transportation successes include the Complete Streets Policy which prioritises walking , biking and transit right of way before cars . 26 October 2017