Sustainable Engineering http://machinedesign.com/taxonomy/term/7694/more en Congress told energy efficiency regulations don't address environmental problems http://machinedesign.com/news/congress-told-energy-efficiency-regulations-dont-address-environmental-problems <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">An economist tells the Subcommittee on Energy and Power of the House Energy and Commerce Committee that market-oriented approaches to control pollution are much more cost-effective than government regulations such as energy efficiency mandates on vehicles and appliances</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/congress-told-energy-efficiency-regulations-dont-address-environmental-problems" target="_blank">read more</a></p> http://machinedesign.com/news/congress-told-energy-efficiency-regulations-dont-address-environmental-problems#comments Energy Efficiency News Sustainable Engineering Energy News Tue, 09 Apr 2013 07:20:44 +0000 24532 at http://machinedesign.com Wind power without wind turbines http://machinedesign.com/archive/wind-power-without-wind-turbines <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">Electrostatic wind power harvests wind energy with no turbine blades, gearboxes, or other expensive hardware. But there are still challenges to be overcome before the concept is ready for prime time.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/archive/wind-power-without-wind-turbines" target="_blank">read more</a></p> http://machinedesign.com/archive/wind-power-without-wind-turbines#comments Alternative Energy Sources Features Power Generation Sustainable Engineering Wind Power Energy Archive Tue, 09 Apr 2013 04:42:03 +0000 24531 at http://machinedesign.com Plastic-film sensor may double as energy harvesting device http://machinedesign.com/news/plastic-film-sensor-may-double-energy-harvesting-device <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">A special silicone-based material normally used to sense movement could double as an energy harvesting device in situations characterized by relatively large strain and relatively low forces.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/plastic-film-sensor-may-double-energy-harvesting-device" target="_blank">read more</a></p> http://machinedesign.com/news/plastic-film-sensor-may-double-energy-harvesting-device#comments Alternative Energy Sources Electronics & Semiconductors News Silicone Sustainable Engineering Energy Controllers Plastics and Composites News Fri, 22 Mar 2013 07:58:08 +0000 24529 at http://machinedesign.com Less wind than you might think http://machinedesign.com/news/less-wind-you-might-think <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">A recent analysis of worldwide wind energy by UNC and Harvard researchers indicates that geophysical and climate considerations reduce the amount  of energy available for harvest from the wind to well below prior estimates.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/less-wind-you-might-think" target="_blank">read more</a></p> http://machinedesign.com/news/less-wind-you-might-think#comments Alternative Energy Sources News Sustainable Engineering Wind Power Energy News Thu, 21 Mar 2013 07:20:58 +0000 24528 at http://machinedesign.com Do electric cars really pollute less? http://machinedesign.com/news/do-electric-cars-really-pollute-less <div class="node-body article-body">A group of economists look at electric vehicles  and find, from the standpoint of pollution reduction, they are a mixed bag.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/do-electric-cars-really-pollute-less" target="_blank">read more</a></p> http://machinedesign.com/news/do-electric-cars-really-pollute-less#comments Automotive Energy Efficiency News Sustainable Engineering Automotive Energy News Sat, 09 Mar 2013 02:47:52 +0000 24514 at http://machinedesign.com First electric tiltrotor makes public debut http://machinedesign.com/news/first-electric-tiltrotor-makes-public-debut <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">Electric-powered aerial drones are on the drawing board. A new prototype by AgustaWestland shows some of the thinking that goes into these ideas.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/first-electric-tiltrotor-makes-public-debut" target="_blank">read more</a></p> http://machinedesign.com/news/first-electric-tiltrotor-makes-public-debut#comments Aerospace/Defense Electric Motors Energy Efficiency Industry Applications News Defense Energy Motors/Drives News Archive Thu, 07 Mar 2013 09:24:17 +0000 12051 at http://machinedesign.com World's most fuel-efficient VW http://machinedesign.com/news/worlds-most-fuel-efficient-vw <div class="node-body article-body">Plug-in hybrids are in the air. The XL1 hybrid from Volkswagen is billed as being the most fuel-efficient production car in the world, and even Lamborghini is getting ready to roll out a plug-in version.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/worlds-most-fuel-efficient-vw" target="_blank">read more</a></p> http://machinedesign.com/news/worlds-most-fuel-efficient-vw#comments Automotive Energy Efficiency Industry Applications News Sustainable Engineering Automotive Energy News Archive Sat, 23 Feb 2013 07:20:41 +0000 12025 at http://machinedesign.com Get ready for LED-lit ballgames http://machinedesign.com/news/get-ready-led-lit-ballgames <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">LEDs were once considered too dim to handle field lighting chores at major ballparks and stadiums. That situation is starting to change.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/get-ready-led-lit-ballgames" target="_blank">read more</a></p> http://machinedesign.com/news/get-ready-led-lit-ballgames#comments Energy Efficiency News Sustainable Engineering Energy News Sat, 23 Feb 2013 03:21:50 +0000 12024 at http://machinedesign.com You, too, can spend $30 on a fluorescent light bulb http://machinedesign.com/news/you-too-can-spend-30-fluorescent-light-bulb <div class="field-byline"> Leland E. Teschler </div> <div class="node-body article-body">Designer fluorescent bulbs are billed as energy efficient but can be pricey.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/you-too-can-spend-30-fluorescent-light-bulb" target="_blank">read more</a></p> http://machinedesign.com/news/you-too-can-spend-30-fluorescent-light-bulb#comments Electrical & Electronic Energy Efficiency Lights/Lamps/LEDs News Sustainable Engineering Technologies Energy News Sat, 09 Feb 2013 08:59:03 +0000 11992 at http://machinedesign.com Windpower challenge: Building better blades http://machinedesign.com/news/windpower-challenge-building-better-blades <div class="field-byline"> Stephen J. Mraz </div> <div class="field-deck"> <p>Companies are developing new technologies to improve wind-turbine blades.</p> </div> <div class="node-body article-body">Companies are developing new technologies to improve wind-turbine blades.</div> <div class="og_rss_groups"></div><p><a href="http://machinedesign.com/news/windpower-challenge-building-better-blades" target="_blank">read more</a></p> http://machinedesign.com/news/windpower-challenge-building-better-blades#comments Alternative Energy Sources News Sustainable Engineering Energy News Sat, 09 Feb 2013 07:03:16 +0000 11991 at http://machinedesign.com