It's in relation to all the operational issues that manifest on school buses differently than on transit or highway buses, coupled with how safe school buses are already built. Different from a transit bus or a highway bus, they're already built to be quite safe. There would be that. There are all those operational issues that Mike and I have talked about that complicate things to a certain degree and thus are looked at separately and differently than for highway buses or transit buses in the country.
On April 4th, 2019. See this statement in context.