Going electric
Choose an electric car and save 70% off your fuel bill. In California, electricity is more expensive than gasoline (per unit of energy), but an electric car has almost 6 times the mileage of a gasoline car.
Given California pricing and assumptions on mileage, you can go 70% further for every dollar spent on electricity as opposed to gasoline to fuel your car.
Check out this infographic to see how this works out.