Giant oceangoing tankers built the liquefied natural gas industry into a $150 billion-a-year business. The next expansion opportunity may come from ships a seventh of the normal size.

Ships that can hold around 1,000 containers are on average nearly twice as expensive as the cost of moving cargo on a typical 20,000-container vessel, according to freight forwarders. GET FOX ...

The small size and weight means that the hydrofoils can fully lift up the ship so it can travel much faster than a typical cargo ship. But the company plans to begin with a larger version, around ...

Because the ships are smaller, they can also stop at ports that aren’t commonly used today—as cargo ships have become oversized, only a small number of ports can handle them.