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Behold The Hyundai Uni Wheel. Transportation May Never Be The Same
(cleantechnica.com)
This is a most excellent place for technology news and articles.
When transmissions are discussed, the acronym CV stands for continuously variable. (As opposed to a transmission with 3-5 discrete gear ratios.) But yes, some CVT designs do use planetary gears, especially for hybrid gas-electric models.
CVJ = constant velocity joint
CVT = continuously variable transmission
Thank you for squaring me away, here.