On March 18, XV International exhibition “Energy. Resource saving” started its work in Kazan. Tatarstan President Rustam Minnikhanov, Chairman of supervision council of State Corporation “Housing and Utility Reform Foundation” Sergey Stepashin, Tatarstan Prime Minister Ildar Khalikov, Deputy Minister of Energy of the Russian Federation Anton Inyutsyn, Director General of Housing and Utility Reform Foundation Konstantin Tsitsin took part in a solemn opening ceremony of the exhibition at the Kazanskaya Yarmarka Exhibition Center.