Those Lines on the Back of the majority of Cars is Silver!

Rear Defrosters became common in the US from the 60s-70s onward.

How much silver?

(Slim designs ~1-3g; chunky designs can exceed ~7g; mid case around ~3-7g.)

If we conservatively assume: 1.2-1.8 billion vehicles produced since ~70s, and ~3-7g silver per…

Between 145Moz – 337Moz of Silver for this one thing!