[finiteseries]

By maxing out supply amid unending demand, they have a terrific product/market fit.

https://www.eia.gov/dnav/pet/pet_pnp_unc_dcu_nus_m.htm

https://en.wikipedia.org/wiki/Supply_and_demand

Here’s a map of the places that create diesel from crude oil. Note the north & south east where these shortages are occurring, and limited to.

https://atlas.eia.gov/datasets/6547eda91ef84cc386e23397cf834...

It has been 45 years since a >200,000 barrel per day refinery was built in the US.

1998-2015 saw 0 upgrades to existing capacity or new builds. Since 2015, a handful of <50,000 barrel per day refineries have been built, but every single one is in Texas.