My Toyota service department says they’ve noticed that over time gasoline from Costco tends to cause more wear on engines because it doesn’t have additives like techron or techroline found in some brands of gasoline like Chevron, Texaco or Mobil. Does this make sense?

Costco versus and other gas brands

cigroller April 18, 2012, 2:51pm 4

ROTFL

So they have a forensics team there do they? Busy at work all day long dismantling engines and scrutinizing them for wear? And customers busy at work recording where each tank of gas is purchased?