Figure 6: AFV Buses Made Available by Fuel Type in 2000: This bar chart shows the AFV buses made available in 2000 by type (i.e., school, transit, and intercity) and fuel type. In 2000, there were 84 school buses and 101 transit buses capable of operating on propane; compressed natural gas comprised of 148 school buses, 973 transit buses, and 79 intercity buses. Fewer types of buses were made available operating on liquefied natural gas, only 343 transit buses. AFV buses operating on electricity were 2 school buses and 15 transit buses. Back