Shipping is facing an uncertain future. The coronavirus pandemic has delivered a (hopefully temporary) blow to economic growth and global seaborne trade. That said, a long-term transformation of the shipping industry is also underway, with environmental issues driving the change. Global trading patterns may change, but the shipping industry will always be part of international supply chains. To play its role in the green transition, it has embarked on a quest for eco-friendly propulsion and fuels for the future.