1x Waste Oil Market Size, Share & Trends Analysis Report by Type (Transmission Oils, Engine Oils, Refrigeration & Compressor Oils, Metalworking Fluids & Oils), by Technology (Vacuum Distillation Process, Distillation Hydrogen Treatment, Thin-film Evaporation, Other Technologies), by Applications (Waste Oil Boilers, Biodiesel, Special Space Heaters, Steel Mills), by Region (North America, Europe, Asia Pacific, Latin America) - Global Industry Assessment (2016 - 2021) & Forecast (2022 - 2028)