Covered fuel The term covered fuel means crude oil, natural gas, coal, or any other product derived from crude oil, natural gas, or coal which shall be used so as to emit greenhouse gases to the atmosphere. (h) Crude oil The term crude oil means unrefined petroleum. (i) Export The term export means to transport a product from within the jurisdiction of the United States to persons outside the United States. (j) Fossil fuel The term fossil fuel means coal, coal products, petroleum, petroleum products, or natural gas. (k) Full fuel cycle greenhouse gas emissions The term full fuel cycle greenhouse gas emissions means the greenhouse gas content of a covered fuel plus that covered fuel’s upstream greenhouse gas emissions. (l) Global warming potential The term global warming potential means the ratio of the time-integrated radiative forcing from the instantaneous release of one kilogram of a trace substance relative to that of one kilogram of carbon dioxide. (m) Greenhouse gas The term greenhouse gas means carbon dioxide (CO 2 ), methane (CH 4 ), nitrous oxide (N 2 O), and other gases as defined by rule of the Administrator. (n) Greenhouse gas content The term greenhouse gas content means the amount of greenhouse gases of a product or a fuel, expressed in metric tons of CO 2 -e, which would be emitted to the atmosphere by the use of a covered fuel and shall include, nonexclusively, emissions of carbon dioxide (CO 2 ), nitrous oxide (N 2 O), methane (CH 4 ), and other greenhouse gases as identified by rule of the Administrator. (o) Greenhouse gas effect The term greenhouse gas effect means the adverse effects of greenhouse gases on health or welfare caused by the greenhouse gas’s heat-trapping potential or its effect on ocean acidification. (p) Import Irrespective of any other definition in law or treaty, the term import means to land on, bring into, or introduce into any place subject to the jurisdiction of the United States. (q) Petroleum The term petroleum means oil removed from the earth or the oil derived from