Congressional caucus with approximately 76 members (2014), typically from states where coal production plays a significant economic role and where the effects of the transition to less polluting sources of energy is felt in many communities.
The exact mission and strategy of the caucus are hard to pin down as there is no official or even de facto website where this information, is to be found.
The list of members of the Coal Caucus can however be found on the Capitol Impact web site. (see sources)
"The mission of the caucus is to revitalize the coal industry. " Rep David McKinley, Chairman of the Coal Caucus c. 2015
This LittleSis entity might provide the place where to compile this kind of info.