A new wave of LNG supply is set to hit the markets in the coming years as the two biggest exporters of the super-chilled fuel, the United States and Qatar, are preparing for a major boost to capacity. Analysts say that tight LNG markets in the first half of this decade are likely to flip to a large surplus in the latter half of the 2020s. However, there are a lot of uncertainties about demand in the medium term. If demand in Asia and Europe firms up and new power demand from data centers continues to surge, any oversupply could be absorbed quicker…