In 2008, the (Silicon) Valley Transportation Authority (VTA) conducted a state mandated pilot program to test the feasibility of using zero-emission hydrogen fuel cell buses in its transportation system.
The results of the study indicated that zero-emission buses (ZEBs) cost $51.66 per mile to operate. This is against the $1.61 per mile that it costs to operate a diesel powered bus. In addition, ZEBs break down more often. On average, ZEBs travel 1,100 miles before needing repairs while a typical diesel bus travels 6,000 miles before needing repairs. Moreover, replacement parts are harder to obtain leading to higher overall maintenance costs.
But according to the San Jose Mercury News,
Analifa Bevan with CARB [California Air Resources Board] said her agency “is not considering any changes,” pointing out that the VTA experiment involves early prototypes and that the next generation of buses will be more reliable and “cheaper to operate than diesel.”
How the agency “is not considering any charges” is beyond me–only a government agency would say something like that. I also do not understand how she knows what the next generation will bring. If she somehow had this information, there would be no reason for the study to be undertaken in the first place.
A disregard for costs has become widespread as California has mandated all transportation agencies with 200 or more buses use ZEBs as 15 percent of their buses within the next four years. This seems to me an arbitrary number. If costs don’t matter, why not make all the buses ZEBs?