In the new UNEP ecodesign manual (called D4S manual, which is soon to be released), environmental benchmarking of products is propagated as an important tool for generation and prioritization of environmental product improvement options. The new methodology called EcoBenchmarking was developed by Delft University of Technology, and extends current knowledge about environmental benchmarking to include aspects that serve the interests and opportunities ofin principle allproduct manufacturing industries of all sizes, in all regions of the worlds, in particular developing countries.