I did another web search, and found more recent articles
that say the same thing. I guess we both got a chance to
learn, here. Once in a while, I get suckered by some
internet legend, and I do appreciate when I am given
correct information. Please keep looking out for me,
if something doesn't sound right.
Christopher A. Young
Learn more about Jesus
The original stories started floating around when OPD valves
were introduced. These were just because people didn't
understand OPD. As of last year, it does look like BR is
adding their own proprietary OPD compliant valve on some
tanks in some locations, so your post was correct.