There are people out there that are always getting shot at. But conventional armor plating is murder on fuel economy. How can these frequent targets save the environment? Researchers in Norway recently patented a system that uses carbon fiber and thin water-filled tanks that line the car and when filled can stop high velocity rounds. When a celebrity or dignitary is not in the car the tanks are empty and weigh next to nothing. Before a risky trip to Fallujah or the Source Awards the tanks fill with water to protect passengers.