The Affordable Clean Energy rule will establish a framework for emission reductions for coal plants. States will develop specific plans.

Airports across America with major capital programs underway are trying to push alternative project delivery methods to new levels, although design-bid-build is still used for a majority of horizontal work.

Kansas City, Mo., is hoping to become the first city in the U.S., and perhaps the world, to deploy Hyperloop transportation technology.

Published reports had drawn attention to DOT head's holding deferred stock beyond time when she pledged to sell it.