few thoughts
I am continually blown away that a relatively small manufacturer can continue to push the envelope...Skyactiv-X squeezing out another 25% on top of the ultra-high compression the 2012 Skyactiv-G
this rotary-range extender in the article has already been tested since 2013
Quote:
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the prototype range extender incorporates a 28 kW (38 PS; 38 hp) rotary engine generator, a lightweight 100 kg (220 lb) downsized single-rotor Wankel engine with 330 cc (20 cu in) displacement mounted on its side in the rear of the car. A 10 L (2.2 imp gal; 2.6 US gal) fuel tank that can be filled with gasoline, butane, or propane was claimed to almost double the EV range to 380 kilometres (236.1 mi).[53]
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and sorry but even a late-model RX-8 mpg is 18 accordingly to Fuelly and EPA hence not bouncing off the rev-limiter...which is basically half of Skyactiv-G's efficiency as the sole powerplant
Also, do you still need to warm up a Rotary for longevity sake?
the hassle and durability of a rotary probably means I would not want one in a daily