In 2007, Detroit Metropolitan Wayne County Airport (DTW) received a Voluntary Airport Low Emissions grant of nearly $5.1 million from the Federal Aviation Administration to reduce operational emissions at its new 824,000-square-foot North Terminal, one of the first airport complexes completely designed and constructed after 9/11. The design cuts emissions largely by making it easier to connect to aircraft without fuel-burning intermediaries. North Terminal has hyrdrants that can fuel planes directly, to cut out the need to gas up a fleet of fuel trucks, and units to deliver temperature-controlled air and 400-Hz electrical power units to planes parked at boarding gates, decreasing the reliance on diesel-powered portable ground power units. In addition, the terminal's streamlined design allows taxiing planes to follow a more efficient path from runway to gate.
Airport officials estimate this energy-efficient infrastructure will save DTW 418 tons of carbon monoxide, 409 tons of ozone precursors, and plenty of nitrogen oxide, sulfur dioxide, volatile organic compounds, and particulate matter over the equipment's 40-year lifespan.
Source: http://www.popularmechanics.com/technology/engineering/architecture/9-of-the-worlds-most-high-tech-airports?src=rss
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