most of the us energy comes from fossil fuels.
most of the us energy comes from fossil fuels.
where does most of the us energy come from?
fossil fuels
the benefits are argued to be similar to us energy independence—the reduction of north america's energy dependence on unstable regions such as the middle east and south america and accepting supplies from the reliable north american free trade area, reducing exposure to terrorism abroad; lower balance of trade and foreign exchange stresses on the us economy in an era when suppliers may begin to price oil in euros; the development of renewable energy sources to displace fossil fuels; and the promotion of energy conservation technology exportable to energy-poor nations.









































section::::approaches.:programs to limit us energy interests by canada and mexico.
united states energy independence
bullet::::- 2011 united states geological survey: 84 tcf.









































bullet::::- 2011, us energy information administration: 410 trillion cubic feet technically recoverable gas









































bullet::::- 2012, us energy information administration: 141 trillion cubic feet technically recoverable gas









































section::::reserve estimates.:proved reserves.









































bullet::::- 2010, us energy information administration: 13.2 trillion cubic feet of gas









































bullet::::- 2011, us energy information administration: 31.9 trillion cubic feet of gas









































bullet::::- 2012, us energy information administration: 42.8 trillion cubic feet of gas









































bullet::::- 2015, us energy information administration: 148.7 trillion cubic feet of gas









































section::::economic effects.









































section::::economic effects.:employment.
marcellus natural gas trend