In 2026, the ferry industry is in the midst of a massive "multi-fuel" transition. While older vessels still run on Marine Gas Oil (MGO) or Heavy Fuel Oil, the majority of modern ferries have shifted to Liquefied Natural Gas (LNG), which significantly reduces sulfur and nitrogen oxide emissions. However, the biggest trend for 2026 is the rise of all-electric and hybrid-electric ferries, especially for short-haul commuter routes in Scandinavia, Canada, and New York. These vessels utilize massive lithium-ion battery banks that are charged at the dock. For medium-distance routes, Green Methanol has emerged as a top fuel choice in 2026, with operators like Stena Line and Grimaldi leading the way with "methanol-ready" newbuilds. Additionally, a small number of experimental 2026 ferries are testing hydrogen fuel cells, though infrastructure remains a hurdle. The choice of fuel in 2026 is largely determined by the route distance and the availability of shoreside charging or bunkering infrastructure.