I've already seen some carburettor-fed dedicated-ethanol spark-ignited engines with 14:1 compression.
Quote:
Originally Posted by Old Mechanic
I was a fan of the rotaries until the fuel consumpltion issues became insurmountable, but at least Mazda is willing to take the risks involved with advancing combustion technology.
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I was never a fan of the rotaries, but I didn't celebrate when they were phased out. Mazda had been done a great job developing it and overcoming reliability issues.