Crowley makes LNG news in the Caribbean Crowley has recently added a number of liquefied natural gas-fueled vessels to its Caribbean and Central American routes and retrofitted the first U.S.-flagged LNG carrier with service to Puerto Rico.  In April, Crowley’s 560-foot, 1,400-TEU containership Quetzal began its inaugural commercial voyage, marking the first of the company’s Avance-class, LNG-powered vessels. In May, Copán…