Solar Sailor, the Solar Sailor hybrid power sailboat captures solar energy and wind power using pivotal "Solar Wings." Developed by, Dr Robert Dane. The 100-passenger Sydney Solar Sailor, operated by Captain Cook Cruises on Sydney Harbour. The Sydney Solar Sailor uses four energy sources - solar and wind power, battery power using stored solar energy or from the grid, and LPG-generated electricity - which allows the vessel to operate in all weather and cruising conditions.