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domestic energy markets through 2050, and includes cases with different assumptions regarding <br /> macroeconomic growth, world oil prices, technological progress, and energy policies. In general,the last <br /> few years of baseline reference case data has shown strong domestic production coupled with relatively <br /> flat energy demand.The reference case estimates that natural gas consumption will grow the most on an <br /> absolute basis (0.8 percent annually), and non-hydroelectric renewables will grow the most on a <br /> percentage basis. Petroleum and coal annual growth is projected to be negative over the projection <br /> period, at -0.3 percent and -0.2 percent respectively.The outlook suggests that the U.S. could become a <br /> net energy exporter over the projection period in most cases. The report is produced using the National <br /> Energy Modeling System (NEMS), which is capable of capturing interactions of economic changes and <br /> energy supply, demand, and prices. However, the report comes with a couple of caveats that data users <br /> need to be mindful of. First,the projections are not predictions of what will happen, but rather forecasts <br /> of what may happen given certain assumptions and methodologies. Second, energy market projections <br /> and many of the events that shape free energy markets such as future developments in technologies, <br /> demographics, available resources, and resource constraints cannot be reasonably foreseen, and are <br /> therefore subject to much uncertainty. <br /> Domestic energy supplies of fossil fuel minerals can be generally classified as either Federal or other, <br /> where other signifies either state, local, private citizen, or corporate ownership. The BLM manages the <br /> onshore Federal mineral estate on behalf of the public and in accordance with numerous laws, regulations <br /> and policies,to provide for the nation's energy security and to enable free energy markets to function in <br /> order to meet domestic energy demands. BLM Colorado uses data from the Office of Natural Resources <br /> Revenue (ONRR), which provides production accounting services for all domestic fossil fuel minerals and <br /> allows the Bureau to understand the nations downstream carbon footprint(assuming combustion) based <br /> on the current domestic energy production/supply mix.The available ONRR data for fossil fuel production <br /> in the U.S. and Colorado (federal only) is shown in the table below.The coal production data from ONRR <br /> was supplemented with data available from the Colorado Division of Mine Reclamation and Safety <br /> (DRMS). <br /> According to EIA data, approximately 95 percent of oil stocks in the U.S. are used as a fuel source, while <br /> the remainder is typically used to produce petro-chemical products such as plastics and other <br /> consumables. The ultimate fate of these transformed petroleum stocks (5 percent) is unknown beyond <br /> the basic facts that some of it will be recycled, landfilled, and potentially combusted in waste-to-energy <br /> facilities. The latter component is an exceptionally small portion of energy production in the U.S. (0.4 <br /> percent, EIA 2015), and thus for the purposes of this report we assume a 95 percent combustion rate for <br /> oil production. Natural gas stocks are typically used as an energy source (via combustion) in the broader <br /> part of the economy. The industrial sector also uses natural gas as a raw material to produce chemicals, <br /> fertilizer, and hydrogen. The industrial sector accounts for about 35 percent of U.S. natural gas <br /> consumption, and natural gas was the source of about 31 percent of the U.S. industrial sector's total <br /> energy consumption (EIA 2017). The data suggests that 4 percent of natural gas stocks are diverted to <br /> non-combustion activities. However, most of the processes that support the chemical transformation of <br /> methane (natural gas) into these products generate a stoichiometric amount of CO2 emissions relative to <br /> the mass of the feedstocks used in the process. For the purposes of this report, we are simply assuming <br /> Dunn Ranch Area LBA and Mining Plan Modification 42 <br /> Technical Resources Report <br />