The document provides information about the global coal industry. It states that coal is primarily used for electricity generation and accounts for over 40% of the world's electricity. China is the world's largest coal producer, accounting for nearly 46% of global production in 2011. Other major coal producing countries include the US, India, Australia, and Indonesia. The document also summarizes key aspects of the coal industries in China, the US, India, and other major coal producing nations. It provides production and reserve statistics as well as details on major companies.