TY JOUR TI GLOBAL TRENDS IN THE DEVELOPMENT OF ENERGY-SAVING TECHNOLOGIES KW energy consumption KW energy saving KW energy efficiency KW energy-saving technologies KW energy efficient construction KW green construction KW energy strategy JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Gushchin, S.V. AU Seminenko, A.S. AU Shen, C.. PY 2020 IS 5 PB Belgorod State Technological University named after V.G. Shukhov