Yup - They have to Pay --> $$$$$$$$$$$ - for the correct formulation within the ATF+4 so it meets the certification.
Red Line - pretty much mimicked the ATF+4 formulation with their C+ ATF - though it is a much more robust Ester Based formulation. (Performs Flawlessly in the 68RFE)
Many Companies have shelled out the mighty $$$$$$$$ for the correct formula
https://www.centerforqa.com/chrysler-brands/
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