A three-tier market will develop for LNG shipping as vessels fitted with the new M-type, electronically-controlled, gas-injection (ME-GI) and XDF propulsion systems start to deliver.

Flex LNG chief executive Jon Cook told the Capital Link Shipping, Marine Services & Offshore Forum in London that the sector is already seeing a definite spread in rates between steam turbine driven and tri-fuel or dual-fuel diesel-electric LNG carriers.