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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).
The US liquid gallon (frequently called simply "gallon") is legally defined as 231 cubic inches, which is exactly 3.785411784 litres. [ 7 ] [ 8 ] A US liquid gallon can contain about 3.785 kilograms or 8.34 pounds of water at 3.98 °C (39.16 °F), and is about 16.7% less than the imperial gallon.
Both the 42-US-gallon (159 L) barrels (based on the old English wine measure), the tierce (159 litres) and the 40-US-gallon (150 L) whiskey barrels were used. Also, 45-US-gallon (170 L) barrels were in common use. The 40 gallon whiskey barrel was the most common size used by early oil producers, since they were readily available at the time.
The current national gas price average is $3.62 per gallon. The average cost of gas has decreased 15% in the last two years, from when it was $4.27 per gallon .
Notes: (1) Based on 45% highway and 55% city driving. Electricity cost of US$0.13 /kWh, premium gasoline price of US$2.51 per gallon (used by the 2015 Volt, i3 REx, ELR, i8, Mercedes S500e, Karma and all Porsche models), and regular gasoline price of US$2.04 per gallon (as of 18 December 2015). Conversion 1 gallon of gasoline=33.7 kWh.
The national average price for a gallon of gasoline is a little more than $4.72, according to AAA as of July 8. The pump pain is more or less acute depending on your region, but overall ...
Conversion from mpg to L/100 km: blue - US gallon; red - UK gallon (imperial). The fuel efficiency of motor vehicles can be expressed in multiple ways: Fuel consumption is the amount of fuel used per unit distance; for example, litres per 100 kilometres (L/100 km).
The average price at the pump is $1.61 higher than it was one year ago. Nationwide, the highest average price for regular-grade gas is in the San Francisco Bay Area, at $6.20 per gallon.