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Price per million BTU of oil and natural gas in the US, 1998-2015. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil and petroleum products, especially in continental Europe.
At the end of 2008, the U.S. had 305,000 miles of natural gas interstate and intrastate transmission pipelines in the lower 48 states. [15] The full pipeline network is an estimated 3 million miles, including transmission lines as well as gathering lines, mains, and service lines to consumers. [11]
The pipeline has a diameter of 36 inches (910 mm) and the capacity to handle up to 1.7 billion standard cubic feet of natural gas per day (48 million standard cubic metres per day). [4] The outside of the pipe is coated in concrete which gives added protection and also ensures that it remains on the seabed while the gas is in transit.
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For example, such a regulation might limit the concentration of NOx to 55 ppmv in a dry combustion exhaust gas corrected to 3 volume percent O 2. As another example, a regulation might limit the concentration of particulate matter to 0.1 grain per standard cubic foot (i.e., scf) of dry exhaust gas corrected to 12 volume percent CO 2.
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"However, significant safety and infrastructure issues remain, including downed power lines, broken gas lines, hazardous materials, unsafe water." There were some positive developments amid the ...
This volume of natural gas has the same energy content as one US gallon of gasoline (based on lower heating values: 900 BTU/cu ft (9.3 kWh/m 3) of natural gas and 114,000 BTU/US gal (8.8 kWh/L) for gasoline). [22] One GGE of CNG pressurized at 2,400 psi (17 MPa) is 0.77 cubic feet (22 litres; 5.8 US gallons).