Many liner shippers have adopted efficiency improvements…Silverstream Technologies, a London-based company, is one of several that have developed systems that produce a carpet of tiny air bubbles along the bottom of a ship. The hull touches mostly air, so there’s much less friction,” said Noah Silberschmidt, the company’s chief executive. Silverstream’s technology, which includes pumps and other equipment and modifications to the hull, has been tested by Shell; in sea trials on a 575-foot-long tanker, it improved efficiency by about 5 percent. A Norwegian Cruise Line ship under construction in Germany will have the technology when it is launched in 2017. Read the Full Article