Executive order calls for lower minimum content percentage for determining whether a product is foreign.

Environment and Public Works Chairman Barrasso, plans five-year bill, wants to retain formula funding emphasis.

Conference emphasizes technology, change

Herrenknecht borers to dig twin tunnels covering 2.59 miles at projected rate of 60 ft per day.

Construction added 21,000 jobs in June, up from gain of 5,000 the previous month.