De Almeida, Aníbal; Santos, Bruno; Paolo, Bertoldi; … - In: Renewable and Sustainable Energy Reviews 34 (2014) C, pp. 30-48
According to IEA estimates, about 19% of the electricity used in the world is for lighting loads with a slightly smaller fraction used in the European Union (14%). Lighting was the first service offered by electric utilities and still continues to be one of the largest electrical end-uses. Most...