If you're ready to make a quantum leap to a new fuel source, then Quantum Fuel Systems Technologies Worldwide is the place to land. Quantum makes fuel storage, delivery devices, and electronic control systems for alternative-fueled vehicles. It serves the military with its branded HyHauler Plus, a transportable hydrogen refueling station that powers battlefield vehicles. Fisker Automotive, a joint venture between Quantum and Fisker Coachbuild, is developing the Karma, an environmentally friendly luxury sports sedan, using Quantum's plug-in-hybrid engine technology. Its customer base also includes aerospace and government entities.