I thought whale oil was also used in something car related, transmissions/differentials? Yeah, https://en.wikipedia.org/wiki/Sperm_oil#Applications https://en.

I thought whale oil was also used in something car related, transmissions/differentials? Yeah, https://en.wikipedia.org/wiki/Sperm_oil#Applications https://en.wikipedia.org/wiki/Sperm_oil#Applications, up until 1972 in USA, apparently.