Assertion: naphtha's hydrocarbon | /r/HasProperty | nmhcs
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Source sentences:
text: Reforming for combustion engines is based on steam reforming, where non-methane hydrocarbons (NMHCs) of low quality gases are converted to synthesis gas (H 2 + CO) and finally to methane (CH 4 ), carbon dioxide (CO 2 ) and hydrogen (H 2 ) - thereby improving the fuel gas quality (methane number).