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The emissions information in eGRID include carbon dioxide (CO 2), nitrogen oxides (NO x), sulfur dioxide (SO 2), mercury (Hg), methane (CH 4), nitrous oxide (N 2 O), and carbon dioxide equivalent (CO 2 e). CO 2, CH 4, and N 2 O are greenhouse gases (GHG) that contribute to global warming or climate change.
Methanation is the conversion of carbon monoxide and carbon dioxide (CO x) to methane (CH 4) through hydrogenation. The methanation reactions of CO x were first discovered by Sabatier and Senderens in 1902. [1] CO x methanation has many practical applications.
The first landfill gas to LNG facility in the United States was the Frank R. Bowerman Landfill in Orange County, California. The same process is used for the conversion to CNG, but on a smaller scale. The CNG project at Puente Hills Landfill in Los Angeles has realized $1.40 per gallon of gasoline equivalent with the flow rate of 250 scfm. [9]
Methane's GWP 20 of 85 means that a ton of CH 4 emitted into the atmosphere creates approximately 85 times the atmospheric warming as a ton of CO 2 over a period of 20 years. [23] On a 100-year timescale, methane's GWP 100 is in the range of 28–34. Methane emissions are important as reducing them can buy time to tackle carbon emissions. [24] [25]
CoolCalifornia.org offers a variety of resources for all types of Californians looking to reduce their impact on the environment. Such resources include: carbon calculators, [4] ideas and tips to save money, case studies of small businesses and local governments that have "gone green," lists of rebate programs, and resource lists linking to other websites.
An emission intensity (also carbon intensity or C.I.) is the emission rate of a given pollutant relative to the intensity of a specific activity, or an industrial production process; for example grams of carbon dioxide released per megajoule of energy produced, or the ratio of greenhouse gas emissions produced to gross domestic product (GDP).
A new S&P Global Commodity Insights analysis shows that methane emissions from oil and natural gas production operations in the Permian Basin alone decreased 26% in one year, equal to the total ...
Methane (CH 4) in the Earth's atmosphere is a powerful greenhouse gas with a global warming potential (GWP) 84 times greater than CO 2 over a 20-year time frame. [22] [23] Methane is not as persistent as CO 2, and tails off to about 28 times greater than CO 2 over a 100-year time frame. [10]