SMW 2021: Norsepower to Work With Keppel Offshore Unit on Rotor Sail Retrofits by Ship & Bunker News Team Friday April 23, 2021 Wind propulsion system provider Keppel Offshore & Marine on the installation of its rotor sails on ships. Under an agreement with Keppel's technology arm, Offshore Technology Development (OTD), OTD will assist in initial surveys as well as the design, engineering works and installation of rotor sails, Norsepower said in a statement on its website released as part of Singapore Maritime Week. "Today's announcement represents a significant step in fully commercialising the Rotor Sail which is capable of achieving, on average, between 5 and 20% reductions in carbon and other emissions, as well as fuel and fuel costs in suitable conditions," Norsepower said in the statement.