All they have to do is put the biodiesel in the tank. If you have a compressed-natural gas vehicle, you have to take out seats. You have the pressurized tanks. You have to change the engine. You have to have facilities to fuel the vehicle.
Electric cars have the same issues.
We ve found out some of these fleets, when they get done with the buses, they can turn around and sell them to South America. Diesel engines are diesel engines. But the guys who are running vehicles on compressed natural gas, no one wants those used vehicles. They re junk. Doug Lindgren of the ISA asked me to serve.