Waste Oil Market Size & Share, By Type (Transmission Oils, Engine Oils, Refrigeration & Compressor Oils, Metalworking Fluids & Oils, Lubricants, Others), Technology (Vacuum Distillation Process, Distillation Hydrogen Treatment, Thin-film Evaporation, Others), Application (Waste Oil Boilers, Biodiesel, Special Space Heaters, Steel Mills, Re-refiners, Asphalt Plants, Others) - Growth Trends, Regional Insights (U.S., Japan, South Korea, UK, Germany), Competitive Positioning, Global Forecast Report 2025-2034