Russia’s invasion of Ukraine has left European governments scrambling to ensure that their energy needs will be met. Germany — the no 1 buyer of Russian gas in recent years — is said to be reconsidering a commitment to close down its last few nuclear power stations at the end of this year, while a political deal made late last year to phase out coal by 2030 may well unravel. Several smaller economies, among them Bulgaria and Finland, are even more dependent on Russian gas than Germany. Taiwan isn’t so exposed. Last year, 14.7 percent of the coal burned in Taiwan