RAPID CITY, S.D. — The 25 th annual Black Hills Model Engine Expo was held at the Fine Arts Building of the Central States ...
In 2021, the Washington Legislature passed the Climate Commitment Act (CCA), which establishes a comprehensive, market-based program to reduce carbon pollution and achieve the greenhouse gas limits ...
Abstract: Accurate and stable natural gas price forecasts are essential for effective management of energy systems. However, due to the mixed frequency of data and the inherent nonlinear fluctuation ...
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