Weekly US coal production was estimated at nearly 11 million st in the week ended Dec. 19, down 2.6% from the year-ago week, US Energy Information Administration data showed Dec. 28.  From the year-ago week, output was down 12.6%. Compared with the five-year average for week 51 of 14.8 million st, production was down 25.9%. With production estimated at 528 million st through the year so far, output was down about 23.8%. US production is annualized to be about 539 million st in 2020, down 23.4% from the year-ago period. Weekly production from the four major basins all dropped week on week. Central Appalachian output was at 1.2 million st, down 2.9% from the week before and a […]