Today natural gas is the second most widely used energy source in California .
In 2012 California was the 13th largest state in terms of natural gas production , with a total annual production of 248 billion cu feet of gas .
Today natural gas is the second most widely used energy source in state .
In 2012 California was the 13th largest state in terms of natural gas production , with a total annual production of 248 billion cu feet of gas .