I think they're referring to: - The standard BART fleet - eBART: https://en.m.wikipedia.org/wiki/EBART https://en.m.wikipedia.org/wiki/EBART - The Oakland Co

I think they're referring to: - The standard BART fleet - eBART: https://en.m.wikipedia.org/wiki/EBART https://en.m.wikipedia.org/wiki/EBART - The Oakland Connector: https://en.m.wikipedia.org/wiki/Oakland_Airport_Connector https://en.m.wikipedia.org/wiki/Oakland_Airport_Connector All of which use completely different and mutually incompatible rolling stock.