There’s also Silent Yachts (solar panels, battery, and diesel range extender): https://newatlas.com/silent-55-solar-powered-ocean-going-catamaran/60207/ https:/

There’s also Silent Yachts (solar panels, battery, and diesel range extender): https://newatlas.com/silent-55-solar-powered-ocean-going-catamaran/60207/ https://newatlas.com/silent-55-solar-powered-ocean-going-cat...