Status Updates From The Invisible Killer

I am delighted that DU got a shout out!

(specifically Don Steadman who developed a spectroscopic sensor to measure emissions of vehicles while on the road)

Just finished the chapter on lead in gasoline and WOW. I knew about how awful Midgley is —but I didn’t know the motivation for finally removing tetraethyl lead was the invention of catalytic converters. Ofc

Bit hard to follow at times.