Launched at day two of the CIBSE National Conference in London, one of the guide's authors, Miles Attenborough, Regional Director at Faber Maunsell, set out the 'sustainable policy agenda': what it means in terms of new rules and responsibilities; the role of design principles and how to develop sustainable strategies for energy, waste and water. According to the institution's press release, Guide L is expected to have a far-reaching appeal, particularly as energy prices and the imminent energy performance certification of buildings have dramatically increased interest in energy savings.