Texas Tribune, October 23, 2013
Washington State Department of Transportation, October 7, 2013
Bloomberg, September 11, 2013
Bluefield Daily Telegraph, September 9, 2013
theNewspaper.com, September 6, 2013
Virginia Pilot, September 3, 2013
Courier Journal, August 31, 2013
Orlando Sentinel, August 31, 2013
WAVY TV, August 31, 2013
Providence Journal, August 30, 2013
June 19, 2015
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September 23, 2014
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Press Release, April 30, 2014
ATFI Press Release, March 31, 2014
Press Release, February 28, 2014
The Trucker, February 15, 2014