Assertion: mix | /r/CapableOf | change in past few years
Facets:
value: as coal
type: MANNER
Source sentences:
text: The mix of fuels used to generate the electricity in homes, factories, and businesses across the United States has changed in the past few years as coal, still the largest single fuel used for electricity, has lost some of its share of the generation market to natural gas and non-hydroelectric renewables.