Weekly US coal production totaled 10.4 million st in the week ended December 28, down 18.1% from a week ago, US Energy Information Administration data showed Friday. Receive daily email alerts, subscriber notes & personalize your experience. Register Now This was the largest week-on-week decline since the first week of July. Output slid 9% year on year. The declines were largely led by less production from Wyoming and Montana, which is mostly made up of Powder River Basin coal. Production from the two states was 4.5 million st, down 20% from the prior week and 14.5% from the year-ago week. Additionally, it was the smallest level of weekly production all year. The week with largest output was the final week of August, with 7 million st. Through 52 weeks, output from the region is estimated to be 306 million st, down 10.4% from 2018 production. From the […]