The Energy and Environmental Technology Applications Center (E2TAC) was created in 1998 as an active expansion of the Colleges of Nanoscale Science and Engineering (CNSE) to work with companies in the rapidly emerging energy and environmental industries. E2TAC offers a critical platform for CNSE to leverage its intellectual power base and state-of-the-art infrastructure to provide an applications-targeted technology development, leading to the integration of nanoelectronics and nanotechnology in advanced energy and environmental applications.