These 23ft (7m), 33ft (10m), or 65ft (20m) long vessels are propelled by wing sails and power their radio and telemetry systems with a combination of solar and battery power. No fossil fueled ...

The 20-metre (65-ft) wing sail has been fitted to the Pacific Grebe cargo ship An experimental wind-powered cargo ship has arrived in Southampton to undergo sea trials. The 5,000-tonne cargo ...

He set that record at 126.1 mph by maturing existing sail wing technology. [Richard] did away with conventional rigging and added a boom with a control surface on it, much like the fuselage and ...