Knoemaのデータベースによる、トレンドの業界、政治、社会経済のトピックに関するクイックデータ要約と視覚化データです。US Agricultural Exports to China Falling, Farmers Seek New Markets United States: Higher Education Costs Flat in 2018 Leveraged Loans: A Threat to US Economic Health? 詳細情報
An estimate of coal reserves, based on a demonstrated reserve base, adjusted for assumed accessibility and recovery factors, and does not include any specific economic feasibility criteria. In the United States, coals are classified by rank progressively from lignite (least carbonaceous) to anthracite (most carbonaceous) based on the proximate analyses of various properties (fixed carbon, volatile matter, heating value, and agglomerating character), following methods prescribed by the American Society for Testing and Materials. The International Coal Classification of the Economic Commission for Europe recognizes two broad categories of coal, “brown coal” and “hard coal.” In terms of U.S. coal classification, the international classification of brown coal includes lignite and lower-ranked subbituminous coal, whereas hard coal includes all higher rank coals.
The Energy Data Brief offers key statistics designed to help energy market watchers anticipate and respond to developments in the energy sector as well as changes in related industries and investments.