| http://www.w3.org/ns/prov#value | - The old article covers (for example) the Federal R&D expenses for the years from 1976 to 1993, and when it comes to subsidies vs. energy produced, it states:Although oil has received roughly its proportionate share of energy subsidies, nuclear energy, natural gas, and coal may have been undersubsidized, and renewable energy, especially solar, may have received a disproportionately large share of
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