Service Coordinator Mike McDonald was one of nine Little Rock Fleet Services Department employees who volunteered to help local Boy Scouts earn their auto mechanics merit badge. Photo: Darryl Syler
This soft ground tunnel will hold 19 million gallons of combined sewer overflows and storm-water, reducing closures at South Boston beaches from three weeks a year to once every five years. Photo: Massachusetts Water Resources Authority
New Jersey's Garden State Parkway made almost $250,000 by selling old transit tokens, which recyclers value for their high nickel-silver and brass content. Photo: Osborne Coinage Co.