Consumers would do well to give the idea some thought, too. Consumers should consider the energy efficiency of their purchases above and beyond items such as energy-saving home appliances, light bulbs, and automobiles. That is, they should focus their buying on items with long functional lives to ensure that the maximum amount of utility is wrung from every resource that goes into their manufacture.
消費者除了購買能提升「能源效率」的省能家電、省電燈泡、高哩程數汽車外，「原料效率」的優劣與否也是十分重要的一環，也就是多購買那些使用年限長、能讓每分投入的原料淋漓盡致發揮效益的產品。