We may be in the final stages of ICE oil specifications upgrades by industry bodies ILSAC, API, ACEA, and JASO. The recent release of ILSAC GF-6 in 2020 took eight years, and an interim specification of ILSAC GF-5 Plus was needed to be issued to protect engines until GF-6 could be finalized. This was needed as OEMs were concerned that GF-5 lubricants would not protect modern engines.
ACEA was already five years past its planned 2018 update with it’s 2021 release. Now that the new ACEA specification has been released, we may not see another new industry specification for another 5 to 10 years and, with OEMs concentrating on EVs, there may not be a need for a new ICE oil specification.