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by grkvlt 1959 days ago
Well, their website claims "90% lower emissions than a vessel with a diesel engine" so evidently they use some form of engine, or they'd be claiming 100% lower! i would guess it's like most sailing boats, and it has a small(-ish) engine and prop for use when docking/maneuvering up close/no wind, and also a genset for onboard electrical power.