Technically, a hole about ten inches wide or so is all that is required to extract oil from the ground. There really is no relationship between areas of land and the production of gas. Gas is manufactured in a refinery after being extracted through oil wells.
About 40 gallons of sap are needed to produce one gallon of syrup!
it takes 1.5 gallons of fossil fuel to produce 1 gallon of ethanol.
a gallon
couple hundred
About a gallon a day .
It takes about 2.14 gallons of crude oil to produce one gallon of gasoline.
It takes about 2.1 gallons of crude oil to produce one gallon of gasoline.
It requires 1,273 pounds of feed to produce a lamb
25,000,000,000,
120 ounces
That really depends what gas you are talking about. For example, air is a gas, and you can get it for free.
If you are referring to Air pumped from an "aerator' Then the answer is "none". A filter is needed not an air pump.