AutosVeh
This neat arrangement helps further reduce length a bit, and I suspect the rotating assembly—basically, all the stuff that spins in an engine—may be lighter than a traditional V-12's, having fewer and smaller components.
As a refresher, Mazda reinstated its rotary team in February 2024 with the goal of developing "attractive cars that excite customers with our challenger spirit."
Since we mentioned the EQS, there was an interesting report earlier this year about how Mercedes was testing its stately electric car with a range-extending combustion engine.