Global Hydrogen Generation Market Size, Share, And Business Benefits By Source (Natural Gas, Coal, Biomass, Water), By Type (Grey Hydrogen, Blue Hydrogen, Green Hydrogen), By Technology (Steam Methane Reforming, Coal Gasification, Electrolysis, Partial Oxidation, Autothermal Reforming), By Delivery Mode (Captive, Merchant), By Application (Chemical and Refinery(Petroleum Refinery, Ammonia Production, Methanol Production, Others), Energy (Power Generation, CHP), Mobility), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034