A liquefied natural gas (LNG) tanker is tugged towards a thermal power station in Futtsu, east of Tokyo, Japan November 13, 2017. REUTERS/Issei Kato - RC1F61927820

U.S. Secretary of Energy Dan Brouillette visits the LNG (liquefied natural gas) terminal at the port of Sines, Portugal February 12, 2020. REUTERS/Rafael Marchante

U.S. Secretary of Energy Dan Brouillette speaks with journalists during a visit at LNG (liquefied natural gas) terminal at the port of Sines, Portugal February 12, 2020. REUTERS/Rafael Marchante

Minister of State for Petroleum Timipre Sylva with NNPC Group Managing Director Mele Kyari visit the Nigeria Liquefied Natural Gas (NLNG) pavilion at the NIPS in Abuja, Nigeria February 11, 2020. REUTERS/Afolabi Sotunde

A worker walks past the logo of China National Offshore Oil Corporation (CNOOC) at its Nanshan liquefied natural gas (LNG) terminal in Hainan province, China September 24, 2019. REUTERS/Muyu Xu

Liquefied Natural Gas (LNG) usage expected to rise as China and India boost imports embed code and instructions: https://reut.rs/2WfppvJ

A general view shows tanks with liquefied propane-butane at a natural and associated petroleum gas processing plant in the Yarakta Oil Field, owned by Irkutsk Oil Company (INK), in Irkutsk Region, Russia March 11, 2019. Picture taken March 11, 2019. REUTERS/Vasily Fedosenko

The ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant can be seen behind a boy as he carries a container to collect water in the village of Papa Lea Lea located at Caution Bay on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

A security fence surrounds the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant at Caution Bay, located on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

A security guard sits behind a security fence at a gate leading into the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant at Caution Bay, located on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL. REUTERS/David Gray

A Liquefied Natural Gas (LNG) carrier called Kumul is docked at the marine facility of the ExxonMobil PNG Limited operated LNG plant at Caution Bay, located on the outskirts of Port Moresby in Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. REUTERS/David Gray

A woman carrying a bag containing firewood walks in front of two Liquefied Natural Gas (LNG) storage tanks at the ExxonMobil PNG Limited operated LNG plant at Caution Bay, located on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. REUTERS/David Gray

A woman sits on a staircase at her house located near the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant in the village of Papa Lea Lea located at Caution Bay on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

Locals walk along a small beach where a Liquefied Natural Gas (LNG) carrier called Kumul is docked at the marine facility of the ExxonMobil PNG Limited operated LNG plant at Caution Bay, located on the outskirts of Port Moresby in Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL. REUTERS/David Gray

A security fence surrounds the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant at Caution Bay, located on the outskirts of Port Moresby in Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

A worker stands behind a security fence that surrounds the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant at Caution Bay, located on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

Locals walk along a small beach where a Liquefied Natural Gas (LNG) carrier called Kumul is docked at the marine facility of the ExxonMobil PNG Limited operated LNG plant at Caution Bay, located on the outskirts of Port Moresby in Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

A Liquefied Natural Gas (LNG) carrier called Kumul is docked at the marine facility of the ExxonMobil PNG Limited operated LNG plant at Caution Bay, located on the outskirts of Port Moresby in Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

Newly constructed worker's accommodation can be seen in front of the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant at Caution Bay, located on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

A person stands inside their house located near the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant in the village of Papa Lea Lea located at Caution Bay on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

Mangroves grow on a small beach where the marine facility of the ExxonMobil PNG Limited operated Liquefied Natural Gas (LNG) plant is located at Caution Bay, located on the outskirts of Port Moresby in Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

A man holding a machete walks with his son and wife as they collect firewood in front of two Liquefied Natural Gas (LNG) storage tanks at the ExxonMobil PNG Limited operated LNG plant at Caution Bay, located on the outskirts of Port Moresby, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. To match Insight PAPUA-LNG/EXXON MOBIL REUTERS/David Gray

Liquefied natural gas (LNG) storage tanks are seen at ENN's LNG import terminal in Zhoushan, Zhejiang province, China October 19, 2018. Picture taken October 19, 2018. REUTERS/Meng Meng

People pose in front of an ice sculpture installation at Yamal LNG, Russia's second liquefied natural gas plant, which is under construction in the Arctic port of Sabetta, Yamalo-Nenets district, Russia December 8, 2017. The installation reads, "Yamal LNG". REUTERS/Oksana Kobzeva

Russian Energy Minister Alexander Novak and his Saudi counterpart Khalid al-Falih oversee Yamal LNG, Russia's second liquefied natural gas plant, which is under construction in the Arctic port of Sabetta, Yamalo-Nenets district, Russia December 8, 2017. REUTERS/Oksana Kobzeva

A general view shows the facilities of Yamal LNG, Russia's second liquefied natural gas plant, which is under construction in the Arctic port of Sabetta, Yamalo-Nenets district, Russia December 8, 2017. REUTERS/Oksana Kobzeva

A liquefied natural gas (LNG) tanker is tugged towards a thermal power station in Futtsu, east of Tokyo, Japan November 13, 2017. Picture taken November 13, 2017. REUTERS/Issei Kato

QATAR-LNG/ASIA - Saudi Arabia and key allies in June cut ties with Qatar, the world's top seller of liquefied natural gas (LNG), stoking concern over any supply disruptions.

Workers get ready to pump liquefied natural gas into a gas trailer at CNPC Caofeidian terminal, in Tangshan, Hebei province, China October 17, 2017. Picture taken October 17, 2017. REUTERS/ Aizhu Chen

Gas trailers line up for filling liquefied natural gas at Caofeidian terminal, in Tangshan, Hebei province, China October 17, 2017. Picture taken October 17, 2017. REUTERS/ Aizhu Chen

A liquefied natural gas storage tank is seen at Caofeidian terminal, in Tangshan, Hebei province, China October 17, 2017. Picture taken October 17, 2017. REUTERS/ Aizhu Chen

A liquefied natural gas storage tank is seen at Caofeidian terminal, in Tangshan, Hebei province, China October 17, 2017. Picture taken October 17, 2017. REUTERS/ Aizhu Chen

A large crane works on the construction of a liquefied natural gas (LNG) tanker at Daewoo Shipbuilding and Maritime EngineeringÕs (DSME) yard near Geoje, South Korea October 25, 2017. REUTERS/Henning Gloystein

A worker prepares to fuel liquefied natural gas (LNG) for a LNG truck at a gas station in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

Sales manager Nie Liliang speaks while sitting in a liquefied natural gas (LNG) truck outside a heavy-duty truck shop in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

A liquefied natural gas (LNG) pump is pictured at a gas station in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

A logo of liquefied natural gas (LNG) is pictured on a LNG truck outside a heavy-duty truck shop in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

A man walks past liquefied natural gas (LNG) trucks for sale outside a heavy-duty truck shop in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

Customer Su Meiquan rests on a couch, below posters of liquefied natural gas (LNG) trucks in a heavy-duty truck shop in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

A liquefied natural gas (LNG) truck drives along a road in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

A worker prepares to fuel liquefied natural gas (LNG) for a LNG truck at a gas station in Yutian county, China's Hebei province September 29, 2017. Picture taken September 29, 2017. REUTERS/Jason Lee

The TEPCO logo and a liquefied natural gas (LNG) storage tank are seen at Tokyo Electric Power Co Holdings (TEPCO)'s South Yokohama Thermal Power Station in Yokohama, Japan July 18, 2017. REUTERS/Issei Kato

The TEPCO logo and a liquefied natural gas (LNG) storage tank are seen at Tokyo Electric Power Co Holdings (TEPCO)'s South Yokohama Thermal Power Station in Yokohama, Japan July 18, 2017. REUTERS/Issei Kato

A general view shows Yamal LNG, Russia's second liquefied natural gas plant, under construction in Arctic port of Sabetta, Yamalo-Nenets district, Russia March 30, 2017. Picture taken March 30, 2017. REUTERS/Olesya Astakhova

People enter the terminal at the Sabetta International Airport owned and operated by Yamal LNG, Russia's second liquefied natural gas plant, in Arctic port of Sabetta, Yamalo-Nenets district, Russia March 30, 2017. Picture taken March 30, 2017. REUTERS/Olesya Astakhova

U.S. President Donald Trump will promote U.S. exports of liquefied natural gas (LNG) to central and eastern European nations that want to reduce their reliance on Russian gas.

Qatar, the world's top liquefied natural gas producer, relies on a vast offshore gas field which Doha calls the North Field and Iran calls South Pars, which accounts for nearly all of the Qatari gas output.

Liquefied Natural Gas (LNG) usage expected to rise as China and India boost imports

Liquefied Natural Gas (LNG) usage expected to rise as China and India boost imports

The Christophe de Margerie (R), an ice-class tanker fitted out to transport liquefied natural gas, is docked in Arctic port of Sabetta, Yamalo-Nenets district, Russia March 30, 2017. REUTERS/Olesya Astakhova

The Christophe de Margerie, an ice-class tanker fitted out to transport liquefied natural gas, is docked in Arctic port of Sabetta, Yamalo-Nenets district, Russia March 30, 2017. REUTERS/Olesya Astakhova

A train of tank cars labeled for carrying Liquefied Natural Gas, on a siding along South Columbus Blvd. in Philadelphia, Pennsylvania, U.S. photographed on February 4, 2017. The tracks pass beneath the structure of the Walt Whitman Bridge, seen above, that carries traffic on I-76 from Philadelphia into Southern New Jersey. Picture taken February 4, 2017. REUTERS/Tom Mihalek

A train of tank cars labeled for carrying Liquefied Natural Gas, on a siding along South Columbus Blvd. in Philadelphia, Pennsylvania, U.S. photographed on February 4, 2017. The tracks pass beneath the structure of the Walt Whitman Bridge, seen above, that carries traffic on I-76 from Philadelphia into Southern New Jersey. Picture taken February 4. REUTERS/Tom Mihalek

A membrane-type liquefied natural gas (LNG) tanker is moored at a thermal power station in Futtsu, east of Tokyo, Japan February 8, 2017. Picture taken February 8, 2017. REUTERS/Issei Kato

A membrane-type liquefied natural gas (LNG) tanker is moored at a thermal power station in Futtsu, east of Tokyo, Japan February 8, 2017. Picture taken February 8, 2017. REUTERS/Issei Kato

A membrane-type liquefied natural gas (LNG) tanker is moored at a thermal power station in Futtsu, east of Tokyo, Japan February 8, 2017. Picture taken February 8, 2017. REUTERS/Issei Kato

FILE PHOTO - A liquefied natural gas (LNG) carrying vessel sails at Tokyo Bay, offshore of Yokosuka, south of Tokyo, Japan October 22, 2012. REUTERS/Issei Kato/File Photo

Diagram showing how a floating liquefied natural gas facility works.

The logo for ExxonMobil and PNG LNG, who operate a liquefied natural gas project in Papua New Guinea (PNG), adorns a display at a PNG mining and petroleum investment conference in Sydney, Australia, December 5, 2016. REUTERS/David Gray

Liquefied natural gas (LNG) storage tanks and a membrane-type tanker are seen at Tokyo Electric Power Co.'s Futtsu Thermal Power Station in Futtsu, east of Tokyo February 20, 2013. REUTERS/Issei Kato/File Photo