When you drive up to the gas station pump and fill your car up with $10-$70 worth of gas, you may find yourself heaving a long drawn out sigh. How on Earth did petrol get to be so expensive? Should you check out one of those new hybrid cars you saw on the television? Everyone’s talking about hybrid cars anyway. Hybrid cars and other types of cars may seem to be a good idea, but before you go out and do something rash, maybe you should ask yourself some basic questions about how you can start to save money on gas.