Wind-Assisted Cargo Ships Could Halve Emissions with Optimized Routes
The shipping industry, responsible for approximately 3% of global carbon dioxide emissions, is exploring innovative ways to reduce its environmental impact. According to a study presented at the European Geosciences Union meeting, wind-assisted cargo ships could cut fuel consumption by up to 75% by optimizing routes and speeds to harness wind power. Technologies such as rigid sails, Flettner rotors, suction sails, and kites are being integrated into ships to maximize wind propulsion. Researchers at the German Aerospace Center modeled historical weather data to determine optimal routes for wind-assisted ships, finding that energy savings could range from 50% to 100% under ideal conditions. The study also explored the potential of generating and storing hydrogen during strong winds to power ships when wind conditions are less favorable.