Inland Waterways Vessels Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Fuel Type (LNG, Low Sulfur Fuel Oil, Diesel Oil, Heavy Fuel Oil, Biofuel); Vessel Type (Passenger Vessels, Non-Passenger Vessels, Tug Boats, Work Boats, Others) , and Geography (North America, Europe, Asia Pacific, and South and Central America)