ember, char, coalmining, lignite, washery, petroleum, coalmine, anthracite, coaly, uranium, more...

renewable, clean, sustainable, green, eco-friendly

anthracite, bituminous, lignite, sub-bituminous, peat, coal dust, thermal coal, metallurgical coal, more...

bituminous, brown, soft, anthracite, hard, more, good, live, hot, raw, powdered

furnace fuel,   black substance,   mined fuel,   newcastle product,   black shiny gem,   black fuel,   glowing ember,   combustible rock,   carbon chunk,   burning ember