Some of Japan’s biggest utilities believe that they would be able to find alternative gas supply in case they are no longer able to import Russian LNG, executives said this week, following U.S. pressure that Japan and other U.S. allies stop imports of Russian energy. Japan imports Russian LNG from the Sakhalin-2 project, in which Japanese firms Mitsui and Mitsubishi hold minority stakes, which they kept even after the Russian invasion of Ukraine, due to the importance of LNG supply for Japan. Russian LNG accounts for…