The design, which is under development now, has another key difference. Instead of running on diesel fuel, it uses wind power. “Flying” nearly 1,000 feet above the ship, a large kite pulls the ...

The world's first hybrid solar cargo ship has just launched in Germany, marking a major milestone for sustainable shipping.

Although infrastructure challenges persist worldwide, cargo ships may continue to grow. “From a design perspective, there’s kind of no [ship size] ceiling that you could see,” McKenney says.