Monthly US thermal and metallurgical coal exports increased 10.1% from the previous month to 7.3 million mt in April, US Census Bureau data showed June 8. Metallurgical coal accounted for 52.5% of total US coal exports at 3.8 million mt. Thermal coal exports at 3.5 million mt accounted for 47.5% of the US total. A 19.7% month-on-month increase pushed met…