I just saw an ad for this new Havoline oil. Supposed to be 25% plant based. What are your thoughts? I've been using their 5w30 synthetic because tlyou can't best the price. 6 quarts under $20.
https://www.chevron.com/stories/che...ine-pro-rs-renewable-full-synthetic-motor-oil
https://www.chevron.com/stories/che...ine-pro-rs-renewable-full-synthetic-motor-oil