Japanese shipping major Kawasaki Kisen Kaisha (K Line) has taken delivery of Tethys Highway, a 6,900 CEU liquefied natural gas (LNG)-powered car carrier built at Shin Kurushima Toyohashi Shipbuilding.

The naming and delivery ceremony for the newbuild was held on July 18, 2025.

The 75,259-gross-ton unit features a length of 199.96 meters and a beam of 38 meters.

As the vessel is mainly fueled by LNG, using this fuel is expected to reduce emissions of carbon dioxide (CO2), a greenhouse gas (GHG), by 25% to 30% and emissions of sulfur oxides (SOx), which cause air pollution, by almost 100% in comparison with conventional vessels using heavy fuel oil.

Tethys Highway is one of several LNG-powered newbuilds handed over to K Line in the past few months.

In related news, K Line recently began using bio-LNG to power its ships as part of a wider strategy to embrace renewable fuels and achieve net-zero greenhouse gas (GHG) emissions by 2050.

On June 16, 2025, car carrier Oceanus Highway received 500 tons of bio-LNG from Shell at the Belgian Port of Zeebrugge.

In line with its 2050 environmental vision, K Line said it will continue to work on the introduction of new fuels that have a low environmental impact and take on the challenge of achieving the targets it has established.