The first solar-powered US airport is in city once called 'dirtiest'

Foto: AP/Nati Harnik

In what could signal a new era in aviation, the Chattanooga Metropolitan Airport is about to be the first airfield in the U.S. run on 100-percent solar power.

The airport began installing solar panels this week and expects by the end of next month to derive all of its power needs from the sun. It marks a turn of events that might have shocked newscaster Walter Cronkite, who once declared the south Tennessee town "the dirtiest city in America."..

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