المملكة العربية السعودية إنتاج الفحم الحجري المملكة العربية السعودية إنتاج الفحم الحجري 0 (thousand short tons) في 2021 Lignite is the lowest rank of coal, often referred to as brown coal, used almost exclusively as fuel for steamelectric power generation It is brownishblack and has a high inherent moisture