Who Knows ,who cares. Getting late into the game,because they are so cute in a train at a show. Hey I gave most of mine away (yes gave) execpt for a couple of company names I really liked. I did see them in trains out here in the West,but none ever were at our our local refineries,which stiil get alot of those long black ,grafitted,cigar shaped thingies. Nate Goodman (Nato). Salt Lake,Utah.