1. Diesel Buses:
- City buses: Approximately 3-5 miles per gallon (mpg)
- Intercity coaches: Approximately 4-7 mpg
2. Hybrid Buses:
- City buses: Approximately 5-7 mpg
- Intercity coaches: Approximately 6-9 mpg
3. Electric Buses:
- City buses: Approximately 1-2 kWh per mile (kWh/m)
- Intercity coaches: Approximately 1.5-2.5 kWh/m
It's worth noting that these estimates are based on average conditions and can vary significantly based on factors such as traffic congestion, weather conditions, and the efficiency of the bus itself. Additionally, fuel consumption may also vary depending on the specific route and the driving style of the bus operator.