The buy issued by DOE modifies a previous purchase issued to JAX LNG under the previous administration that asserted new oversight for using LNG to electric power marine vessels, often called LNG bunkering. The IMO has described 3 standard, unbiased LNG tank styles: Variety A, Type B and Type C. https://mariondret.pointblog.net/top-guidelines-of-lng-storage-and-transportation-77355845