I won't go into the specifics of the California state program, but in short, if a customer has an older engine—a tier zero or a tier one—and wants to have an engine job done on it, the State of California will pay for the difference between the cost of the engine job and a new engine. When he gets that new engine, we know basically, from what Howard provided, that the fuel consumption will be better, but just the increase in technology will improve the efficiency for the farmer customer as well.
On February 8th, 2007. See this statement in context.