The United Nations issued the Brundtland Report in the 1980s that defined sustainable development as "development that meets the needs of the present without compromising the ability of future generations to meet their own needs." For our March question, in order to gain some insights as to how our readers are developing sustainable coatings, we asked the following question: Paint and coating manufacturers are competing to develop sustainable products that fulfill government and market performance requirements. Which of the following technologies do you believe is best able to provide sustainable products at the lowest overall manufacturing and application costs?