Originally Posted by ajmorell
I don't know. I can see where it might, but would it increase sales enough to offset the cost? Hard to say without knowing what the certification(s) cost. Maybe they've done enough research internally to show that it doesn't.
The test is not that much to run, which is nothing compared to sales they lose by not doing it. Every forum for vehicles has this same argument and Amsoil always loses customers. For a company they can easily afford the test since it is nothing compared to the cost of setting up a plant to make oil.