Section headings and selected papers: Advances in Electric Heat Pumps. Heat pump operated with refrigerants of non-azeotropic mixture, T Saito & E Hihara. Advances in Thermally Activated Heat Pumps. Present conditions and future perspective of gas engine heat pumps in Japan, T Fukuda. Industrial and District Heating Applications. Large scale heat pump for industrial application, R Tamura. Environmental Aspects. Energy technology R & D and the greenhouse effect, P D Fairchild & W Fulkerson. New refrigerants - research into their thermodynamic property data, H D Baehr. Environmental benefits of heat pumps, T Svensson. Operating Experience, Economics and Marketing. Market niches in Europe, H Halozan. National R & D Programs and the Roles of Government and Utilities in Advanced Heat Pumps and Protection of Environment. Present status of heat pump technology and R & D plan in Korea, M J Cho et al. Selected Posters. Ground source heat pump developments, E G Granryd. Adsorption heat pump, F Meunier & T Zanife. High temperature household heat pump water heater, S Imabayashi. Alternatives to CFC refrigerants, D Naito. Road heating by subway waste heat recovery heat pump, S Kojima. SHP pilot system, T Mori.