Originally Posted by Railrust
Like someone else said, it looks like PP with added moly. I still consider this oil to be some what a gimmick in the Synthetic dexos certified 0w20 range, but I will say the additional moly and boron is something I'd consider if all things are equal (price wise). So if I'm at Walmart and Pennzoil Platinum and Rotella Gas Truck are right next to each other at $22? I'll get the Gas Truck (by the way, I think they need a new name for it). Maybe like...Rotella GT Synthetic (GT short for Gas Truck) or Rotella We Found A Gimmick Niche For You Truck Folk (which admittedly I fall into).
Napa right now has it listed for $25/5 quarts plus the $10 Shell rebate, I ordered two jugs online and picked them up at my local store. $15/jug figured it's worth a go!