[thackney]

It has been a significantly growing market in the garbage truck business and metro buses as well.

[woodbutcher1963]

I think that Fed Ex and UPS are also using in some areas. It makes sense for any transportation, delivery operation that return to a central hub at the end of shift. It would make a lot of sense for the postal service. Maybe they could actually not lose as much money.

[RayChuang88]

That's why I said public buses. All the buses on Sacramento Regional Transit are CNG-fueled, now that they've overcome some of the early reliability issues with the fuel system.