German Chancellor Olaf Scholz is on a tour to three Gulf states in the hope of sealing energy deals. Upon landing in Saudi Arabia he met with the nation's Crown Prince Mohammed bin Salman. Next up is the United Arab Emirates (UAE) and then Qatar. Professor Lin Boqiang, dean of the China Institute for Studies in Energy Policy at Xiamen University, says infrastructure-related issues should be addressed in order for liquefied natural gas (LNG) to replace oil.