this one is. in fact refueling from a ship is much easier than from a tank truck which can be an elaborate procedure as seen here in cook s half and in germany. ellen g. mainly consists of methane that s been liquified by cooling down to minus one hundred sixty degrees celsius critics of the fuel complain about the energy costs of cooling the gas but once tougher emission rules go into effect in twenty twenty ship operators will be obliged to use lower sulfur field than they do today which could make l.n.g. more competitive. dust but that means that fuel will get considerably more expensive which will reduce the gap between the l. and g. price in the few low priced secret with you so there s a lot of emotion in the sector and the bottom line is we need l. and g. in shipping to make more progress in climate and environmental protection it s.