“…An additional house of environment has been deployed (Emzer, Mattheib, and Birkhofer 2003). Other applications of eco-related QFD focus on the initial product planning phase (Cristofari, Deshmukh, and Wang 1996;Zhang 1999;Mehta and Wang 2001;Dong, Chuck, and Wang 2003;Emzer, Sakao, and Mattheiß 2004;Kuo, Wu, and Shieh 2009;Utne 2009).…”