average lifespan of buses
However, certain times of the year, depending on weather conditions, Hydrid Buses get the same 2.5 MPG as their diesel counterparts. Generally, a Hybrid Bus costs $150,000 more than a conventional bus, and has to be scrapped after a life span of 12 years.owever, certain times of the year, depending on weather conditions, Hydrid Buses get the same 2.5 MPG as their diesel counterparts. Generally, a Hybrid Bus costs $150,000 more than a conventional bus, and has to be scrapped after a life span of 12 years.