How Much Extra Gasolene Would the United States Consume?

Most of the time, what it comes down to is you have this very complex dynamical system. You start by thinking, how many pingpong balls can you fit in like, a one meter cube? Reli basically just all about estimation. But its also proves on some of them you need to know a little bit more. There's an inefficiency in powering a generator to have the headlight on. That causes you to use more gas or whatever.