The word is POLARIZER.Or polarized,the other is for sunglasses
I have had the good fortune to speaking to PB as well as Eric Dowker on this subject.
They believed
As some people believe in Negative iron generators.
The wagon was built with it so it stays with it.
As to what I think,Well I think is it a real nice wagon(196kw)not bad or an 87 car,And that is the spec from HDT.

Cheers Kiwivan