The first way to conserve energy is to ride a bike instead of riding a car. You should do this because you can get excercise, and it's also fun. If you don't know how to ride a bike, then you should learn. Though you probably shouldn't ride EVERYWHERE, like somewhere that's an hour away or something. You can still do that if you're on a bike trail, though. And biking doesn't just conserve energy, it's a lot better for the enviorment too. Uness you have a hybrid car, but you should still try biking.