The U.S. Department of Energy (DOE) report "Assessment of the Market for Compressed Air Efficiency," which examines the market for engineering and consulting services to improve the efficiency of compressed air systems, is available from the Office of Industrial Technology (www.oit.doe.gov). Some highlights from the study: More than half of industrial plant air systems have energy savings opportunities, and that the savings could range from 15 to 60% with investments that could pay for themselves in less than two years.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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