Gas costs $20/gallon....or $50...or $100. What will you do when the government issues food on a ration system. What will you do when the government seizes the vegetables you grow and what will you do when hunting wild game is illegal? These are possible realities that we may face sooner than we might think. Our civilization is based on a ticking time bomb due to it's dependence on petroleum. There is only so much of it on the planet and we are using it up faster and faster every day. Food for thought.