Assertion: methane | /r/HasProperty | cmm
Facets:
Source sentences:
text: Why is EPA concerned about coal mine methane (CMM)?
text: Coal mine methane (CMM) represents wasted emissions to the atmosphere, while capture and use of CMM has benefits for the local and global environment.
text: What is the difference between coalbed methane (CBM) and coal mine methane (CMM)?
text: What are the uses for coal mine methane (CMM)?