… Foothill Transit Partners With The City Of Duarte To Electrify Local Service … Foothill Transit Partners With The City Of Duarte To … nation to deploy three Proterra fast-charge, all electric buses on the 16.1-mile Line 291 between the cities of Pomona and La Verne. Line 291 then became the first all-electric fast charge bus line in the nation in 2014 and to date, Foothill … of this new electric bus fleet will make the City of Duarte the first all-electric city system in Southern California. The State of California has mandated that all public transit vehicles be 100 percent zero-emissions electric by 2040. Foothill …