Global Hydrogen Generator Market Size, Share, And Business Benefits By Source (Blue hydrogen, Gray Hydrogen, Green Hydrogen), By Technology (Steam Methane Reforming (SMR), Partial Oxidation (POX), Auto Thermal Reforming (ATR), Coal Gasification, Electrolysis), By Generation and Delivery Mode (Captive, Merchant), By Product (On-Site, Portable), By Process (Steam Reformer, Electrolysis), By Capacity (Less than 100 Nm3/h, 100-2000 Nm3/h, Greater than 2000 Nm3/h), By Application (Chemical Processing, Petroleum Recovery, Fuel Cells, Refinery, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends, and Forecast 2025-2034