Energy News: Energy efficiency is vital if the world's leading nations want to curb global warming, officials at the Group of Eight summit said last week.  The necessary long-term steps are to "promote the appropriate policy approaches and instruments, including inter-alia economic incentives and sound fiscal policies, minimum standards for energy efficiency, sound and ambitious energy performance labelling, information campaigns aimed at consumers and industry that enhance national awareness, sector-based voluntary commitments agreed with industry, investment in research and development and guidelines for public procurement." Read more from the UPI.