I wouldn't suggest using the 1913 price as a baseline. Noticing in the article, the price stayed close to 10 cents until 1973-1974ish. That time range (probabl

I wouldn't suggest using the 1913 price as a baseline. Noticing in the article, the price stayed close to 10 cents until 1973-1974ish. That time range (probably-not-coincidentally) is when the Gas shortages happen. This is interesting to think about. Transportation/logistic advancements in the first half of the 1900s allowed pricing at worst to stay consistent over a long period of time, at best allowed companies to increase their profits as supply chains were established that made transporting completed product cheaper. Thinking about things like trucks etc here.