<prompt> Translate the following text to EnglishDanny Ellerman, Mkurugenzi Mtendaji wa Taasisi ya Teknolojia ya Massachusetts, Kituo cha Utafiti wa Sera ya Nishati na Mazingira, alisema katika mkutano wa 21 wa Chama cha Kimataifa cha Uchumi wa Nishati, Quebec City, Canada, Mei 1998.  <response>: --Danny Ellerman, Executive Director, Massachusetts Institute of Technology Center for Energy and Environmental Policy Research, remarks at the 21st Conference of the International Association for Energy Economics, Quebec City, Canada, May 1998. 