Hydrogen is "just aboutthe worst possible vehiclefuel", saysRobert Zubrin, arocketscientist and theauthorof "EnergyVictory", a book on the post-petroleumfuture.
The Mars Society is a privately funded organization dedicated to promoting human exploration of the Red Planet, and the recent find will give the society's president Dr RobertZubrin and his team more hope for a manned mission.