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… challenges for policy- makers. Transport, housing, energy and The world population is steadily increasing, … to look for production methods which save resources, energy and time. Although generally consid- ered positive, … when new prod- ucts offer higher performance or greater energy efficiency, for in- stance, a change may reduce the …

… risks of used motor oil, particularly used oil burned for energy where lead emissions are often of concern. 1 Why oils … of used oils in this context are: contaminant content, energy value and hydrocarbon properties. 7. Used oil, as … use of waste oils after treatment can be either a high 2 energy content, clean burning fuel or a lube base stock …

… manufacturers. The recycling of plastics keeps all this energy input in the polymer chains, which are basically re- … of WEEE. Large amounts of CO2 emissions are prevented and energy savings are the result of plastic recycling. …

… these batteries are in motorized vehicles, for storage of energy generated by photovoltaic cells and wind turbines, and … (UNEP, 2004). The growth in the use of renewable energy sources and the concomitant need for storage … final product is poor. Lead mining uses large amounts of energy and environmental resources, particularly water. It …

… resources - up to 85% of raw material - about 55% of energy compared with new units ‰Safety Remanufactured …

… in a mobile phone can be recycled or recovered as energy. The remainder can be used in inert construction …