The Energy Technology Data Exchange (ETDE) was formed in 1987 and officially ended 30 June 2014. It was initiated as a multilateral agreement under the International Energy Agency (IEA) agreement network, replacing numerous other bilateral agreements. The multilateral agreement was for the international exchange of energy research and development and information. The exchange resulted in a database which was the world's largest collection of energy research, technology, and development (RTD) information (ETDEWEB - described below). The collection of information was generated from energy RTD literature published in member countries and through other partnering arrangements with organizations such as the International Nuclear Information System (a unit of the International Atomic Energy Agen