Xcel rolls out LED fixtures in city lights in Minn. this week, then Twin Cities in Nov. - Minneapolis Star Tribune

Xcel rolls out LED fixtures in city lights in Minn. this week, then Twin Cities in Nov.Minneapolis Star TribuneIn June, the American Medical Association, which otherwise supports the conversions, warned against installing a common type of LED streetlight that is the preference of Xcel and many Minnesota governments. Its blue-filled white light can disrupt sleep ...and more »