What fuel do you run in your EcoBoost pickup? (not HO)

Gonna bring this one back from the dead because I finally found the Engineering Explained video about the testing AAA did on using premium on dual fuel vehicles. It actually goes over fuel economy, power improvements, and timing adjustments of the 3.5L Ecoboost, 6.2L GM and various other vehicles.

Video - New Study Shows Premium Gas Isn't Always Worth It

AAA Premium Fuel Research