Check out this link from Car and Driver:

http://blog.caranddriver.com/new-spin-mazda-files-patent-for-new-gen-rotary-engine-heres-what-it-tells-us/

robert pay

Looks like the RX9 will have a turbo charged 16B with 400 HP.

Aluminum end housing so no need to reinvent the wheel for a LSA
one rotor.

Here is the patent discussed.

Not mentioned but it might be a turbo compound hybrid.

Paul Lamar

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