Virkki-Hatakka, Terhi; Luoranen, Mika; Ikävalko, Markku - In: Energy Policy 60 (2013) C, pp. 499-508
Using energy efficiently is generally considered to be essential for a continuing prosperous future. As a result, improving efficiency has become a focus of attention, and recently a lot of time and effort has been expended to develop new energy efficiency methodologies and technologies....