Yes, in all those new, modern, state-of-the-art refineries we've built in the last decade...
/sarc
Granted, refineries in the US are aged. Why is that? It could not possibly be due to over regulation and politicians repetitively making “big oil” a boogyman, could it? I have never understood why it is terrible for an oil company to make 8 cents per gallon profit but okay for the government to tax that same gallon over 18 cents...
US major refineries are in nearly constant improvements and upgrades. In many, the only thing as old as the original build is the main road base and the plaque near the gate.