When you see Premium Diesel you do not know what the formula is. It is not that simple. Everyone can add different by-products and call it premium fuel.
EMA came up with the standards to meet the engine requirements and the US government changed the standards. Look for the EMA Premium fuel article on the web.
Never heard of BTU booster or EMA premium fuel......
2018 Ford F-150 King Ranch 3.0L Power Stroke 4x4 | Icon 2.5 Front & 2.0 Rear, Toyo AT II 295/60R20, 3" ProComp Rear Block, S&B Dry CAI, LineX & BakFlip MX4, BuiltRight Seat Release | ForScan Mods: Disable Double Honk, 2x Panic, DPF Full %, Digital Temps Above Gauges, A.S.S Disabled | HP Tuners/nGauge, EzLynk, Ford VCM II, OBDLink MX+