“For example, a breakthrough in better batteries could supplant hydrogen. Better solar cells could replace or win out in this race to the fuel of the future. Those, I see, as the three big competitors: hydrogen, solar cells and then better batteries.”
“Chris was a friend of mine, I loved him. I didn't see him for 18 months before he died, but I'd met him several times after the accident. What was remarkable was his personal growth in his interior life.”