Over here
when you say 'gas', we think you're talking about gas when in fact, you're talking about petrol. For petrol, I'm currently paying 92.9pence per litre for Shell vPower 99 octane; a litre being about 0.26 of a US gallon so from my point of view, you're still on easy street over there - a US gallon would cost me roughly £3.80 or US $5.56, slightly more for an Imperial gallon.
I've no idea what my gas bill will be, I'm almost too scared to look at it.