Assertion: natural gas | /r/CapableOf | burn cleaner than coal
Facets:
Source sentences:
text: Natural gas is often labeled as “clean power” because it burns cleaner than coal.
text: The Empowerment Alliance, or TEA, will fund advertising and research to advocate the use of natural gas, which burns cleaner than coal, in the runup to the U.S. presidential election in November of 2020, Terry Holt, a spokesman for the group, said on Monday.