A full size diesel powered bus with as few as seven passengers offers a fuel economy greater than the average car.
Fuel Efficiency Single occupancy vehicles have the one of the lowest fuel efficiencies per rider of any form of transportation.  A full size diesel powered bus with as few as seven passengers offers a fuel economy greater than the average car.  A fully occupied bus has a fuel efficiency that is six-times greater while a fully occupied train car has a fuel economy 15-times greater than the average single occupancy auto.   By increasing ridership on public transportation, huge amounts of fuel can be saved while also reducing the amount of air pollution.