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'''Natural gas''' is a [[fossil fuel]] that can be a byproduct of [[petroleum]] extraction and production (known as associated natural gas), extracted from separate natural gas fields (non-associated natural gas), or extracted from other areas such as coal-beds or [[shale]] (continuous or unconventional gas).<ref>U.S. Geological Survey. ''Natural Gas Production in the United States''. 2002. http://pubs.usgs.gov/fs/fs-0113-01/fs-0113-01.pdf</ref> It consists of about 75% [[methane]], and the rest is made up of [[ethane]] (15%) and other [[hydrocarbon]]s,<ref>http://scifun.chem.wisc.edu/chemweek/methane/methane.html</ref> but this varies by region and degree of refinement. It is naturally odorless, so odor is added to make a leak detectable.

'''Natural gas''' is a [[fossil fuel]] that can be a byproduct of [[petroleum]] extraction and production (known as associated natural gas), extracted from separate natural gas fields (non-associated natural gas), or extracted from other areas such as coal-beds or [[shale]] (continuous or unconventional gas).<ref>U.S. Geological Survey. ''Natural Gas Production in the United States''. 2002. http://pubs.usgs.gov/fs/fs-0113-01/fs-0113-01.pdf</ref> It consists of about 75% [[methane]], and the rest is made up of [[ethane]] (15%) and other [[hydrocarbon]]s,<ref>http://scifun.chem.wisc.edu/chemweek/methane/methane.html</ref> but this varies by region and degree of refinement. It is naturally odorless, so odor is added to make a leak detectable.<ref>This was done after the tragic school explosion in New London, Texas (which to this day remains the third worst disaster in Texas history), the result of an unknown leak sparked by a sanding machine.</ref>

A $6.6 billion natural gas pipeline stretching 300 miles from the northwestern border of [[West Virginia]] to southern [[Virginia]], known as the "Mountain Valley Pipeline," was the focus of intense appellate litigation and a key part of the [[debt ceiling]] agreement of 2023.

A $6.6 billion natural gas pipeline stretching 300 miles from the northwestern border of [[West Virginia]] to southern [[Virginia]], known as the "Mountain Valley Pipeline," was the focus of intense appellate litigation and a key part of the [[debt ceiling]] agreement of 2023.