| http://www.w3.org/ns/prov#value | - natural gas, coal, or biomass, by a FT hydrocarbon synthesis as described hereinafter, or light C2 to C5 olefins and/or paraffins derived from methanol or other lower molecular weight alcohols and/or lower molecular weight ethers, such as dimethyl ether, by a MTO synthesis as described hereinafter.
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