The cornerstone of all public transit systems is the bus. Only the densest parts of major cities can put a train line near everyone. The electrification of buse

The cornerstone of all public transit systems is the bus. Only the densest parts of major cities can put a train line near everyone. The electrification of buses has only just begun, but the advantages of electric buses are significant: there are no jerky gear shifts; there is no near-field diesel exhaust; there is potentially a longer vehicle lifetime; there is a reduction in the exposure of transit budgets to fuel price swings and consequent debt financing.