The Duwamish River is probably the hardest-working river in Washington. It has long supported industry, with Boeing building thousands of World War II airplanes on its shores. It has been dredged, channelized and, yes, heavily polluted along the way — it became a Superfund site in 2001.
By Jonathan Fahey & Scott Mayerowitz, The Associated Press
NEW YORK (AP) — The number of global fliers is expected to more than double in the next two decades. In order to carry all those extra passengers, airlines are turning to a technology very few can make work on a large scale: converting trash into fuel.