Kawasaki Heavy Industries is responding to tighter international emissions regulations with a larger LNG fuel tank.

The Japanese shipbuilder has developed a tank that can store up to five times more liquefied natural gas (LNG) than the existing models, financial daily Nikkei reports.

Until now tanks on LNG-fueled ships have the shape of a barrel with a capacity of less than 2,000-cbm.

Kawasaki’s