The doubters here are all arguing based on today's technology. Payload issues, range - who says an electric propulsion system a decade from now will be bulky and heavy, who says it won't come with good range capability. That's what R and D does. Lamax made assumptions based on what's out there now. And he/she is correct - wouldn't work now. And that's why they are not doing it now. But give it time, money, R and D, and it will happen. I might be dead when it does, but I can see it coming.