Same here—they are one expensive necessity. And for most people, it's just that: necessary. For work, due to urban sprawl, etc. What car do you drive? I own a Prius C Three and it's kind of a game with myself to get the highest mileage possible. You can see the direct result of every driving decision you make either decreasing or increasing the MPG.
RE: How To Get Better Gas Mileage, Contributed by @sharingeverybite