The Phelan version of Hughes' experience with steam-powered automobiles when he owned two of them in 1926 quotes Dietrich:
HOWARD preferred his Doble over his Stanley . . . but he was critical of both because they took too much time to get up steam, and they had relatively short non-stop cruising ranges. They consumed water at what Howard considered an inordinate rate, and had to stop about every 60 or 70 miles for a refill.
"I can get better performance than that," he told me, and set out methodically to build the world's best steamer. He and I went to California Institute...