Assertion: methane's effect | /r/HasProperty | advantageous
Facets:
value: for natural gas
type: TRANSITIVE-OBJECT
value: slightly
type: DEGREE
Source sentences:
text: Indeed, the effect at 20 years (vs. the effect averaged over 20 years) is slightly advantageous for natural gas (A = 1.1) even at the high leakage rate of 7.9%.