Natural gas also emits little ash particulate into the air when it is burned. Burning natural gas produces less sulfur, carbon, and nitrogen than burning other fossil fuels. Natural gas fuel is a green fuel and becoming very demanding because it is environmental safe and clean. Natural gas is a fossil fuel composed almost entirely of methane, but does contain small amounts of other gases, including ethane, propane, butane and pentane. Like all fossil fuels, however, burning natural gas produces carbon dioxide, a greenhouse gas. Furthermore, this fuel emits lower levels of potentially harmful byproducts into the. Norma oficial mexicana nom002secre2010, instalaciones. Cost of natural gas for annual consumption below 50,000 kwhyear based on the last resort plan tur regulated tariff and for annual consumption over 50,000 kwhyear based on the average of the main supply companies. Ntc 2505 instalaciones residenciales y comerciales. En gas natural y domestico, lo habitual es 1920 mbar. Natural gas is a combustible, gaseous mixture of simple hydrocarbon compounds, usually found in deep underground reservoirs formed by porous rock.
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