Global Petroleum Refining Hydrogen Market Size, Share and Analysis Report By Type (Grey, Green, Blue and Other), By Supply and Distribution System (Captive and Merchant), By Application (Hydrotreating /Desulfurization, Hydrocracking and Heavy Oil Upgrading), By Production Technology (Steam Methane Reforming (SMR), Water Electrolysis, Partial Oxidation (POX) and Coal / Biomass Gasification), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2026-2035