Burning Gas

I maintain a spreadsheet that keeps track of my mileage; I’m conscious of the gasoline I use, feeling guilty that I’m polluting the environment with my car. I drive a 2004 (though I bought it in the spring of 2003) Toyota Matrix: 2 wheel drive with manual transmission. For the type of car I wanted, it had the best fuel economy. I would’ve gotten a hybrid car, like the Toyota