Table 9  Overhaul Assumptions

Table 9 Overhaul Assumptions

Excel | CSV

Technology Engine/Power plant Transmission/Drive System Hybrid Battery Replacement
Hours* Cost Miles Cost Miles** Cost
Diesel 20,000 $17,500 100,000 $7,900 NA NA
CNG 20,000 $22,500 100,000 $7,900 NA NA
Diesel Hybrid 22,000 $12,500 200,000 $7,000 200,000 $30,000
Fuel Cell 10,000 $100,000 200,000 $7,000 NA NA
Fuel Cell Hybrid 10,000 $100,000 200,000 $7,000 200,000 $30,000

* To calculate mileage interval multiply by 12.4 mph = 250,000 mi for a diesel or CNG bus and 275,000 mi for hybrid

** Nickel-metal hydride and Li-ion batteries are expected to last 6 years in a hybrid propulsion system