The cost of natural gas buses are competitive with diesel buses. Maintenance issues are also similar with diesel vehicles. You can travel 25,000 miles between recommended oil changes with the John Deere natural gas engines. The John Deere natural gas engines meet the Emission Vehicle Standards through the year 2000. It incorporates a lean burn combustion system and a closed loop control system for low emissions.
Natural gas is considered a cleaner alternative than gasoline or diesel fuels.
When compared to gasoline, a dedicated natural gas vehicle, on average, emits 60 to 80 percent less carbon monoxide, up to 50 percent less nitrogen oxides, and ozone reactivity is decreased by up to 90 percent when compared to gasoline. Inc 1900 S. Riverside Ave. The Blue Bird Corporation installs John Deere natural gas engines exclusively in their alternatively fueled vehicles. Also available are transportation buses, Q-Bus, CS Series models, and delivery vehicles.