Hydrogen car is not far a way. Go to [ ENER ] Check out there car. Also keep your eyes on shell oil the largest of hydrogen . They all ready have stations in DC. Next check out [ APD ]these people know there gases.If washington wan't to they could push HYDROGEN. Next I think [ GM ] will be the leader when it comes to the car. With all GMs troubles who knows in this crazy world GM may get married to TM.It's like who can build the best mouse trap.