Seems like Mazda is going to be using the Toyota hybrid system for the CX50 afterall. So far they are launching this in China but I would suspect NA will soon follow.
www.carexpert.com.au

Mazda CX-50 Hybrid revealed in China with Toyota power
Mazda's rough and ready CX-50 crossover is getting hybrid power in China, and it'll be drawing upon Toyota's petrol-electric know-how.
