Assertion: methane's use | /r/CapableOf | emit certain percentage of uhc
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text: The use of natural gas and biogas in ICE (Internal combustion engine) for such applications as electricity production / cogeneration / CHP (Combined Heat and Power) and heavy vehicles or marine vessels such as LNG carriers using the boil off gas for propulsion, emits a certain percentage of UHC, unburned hydrocarbon of which 85% is methane.