A Swedish company just bolted a 131-foot rigid wing sail onto a working car carrier and sent it straight back to its transatlantic route, betting the wing can shave a tenth off the fuel bill while drawing the power of a few electric kettles to trim itself
A Swedish company just bolted a 131-foot rigid wing sail onto a working car carrier and sent it straight back to its transatlantic route, betting the wing can shave a tenth off the fuel bill while dra...