Carefully consider the pros and cons of such a plan, and do the appropriate research to determine which alternative fuel is best suited for the existing fleet. Factors may include availability as well as efficiency and maintenance implications for the vehicles.
To comply with this option, schools must develop a plan for 20% of school buses and maintenance vehicles to be low-emitting and fuel-efficient, or use natural gas, propane or biodiesel.
Research local code requirements and standards that may apply to installing fueling stations on your project site, including building, fire and electrical codes. Also look into relevant equipment, upkeep, and maintenance of refueling stations.
Sensors must generate an alarm to the system operator and, if desired, building occupants, when the CO2 concentration in any zone rises more than 15% above the minimum requirement in ASHRAE 62.1-2007.