Mike Sarna is the curator of the Pioneer Zephyr exhibit, which displays a restored streamliner train at the Museum of Science and Industry in Chicago. He describes what makes these trains so special.

"On it whirls headlong, dives through the woods again, emerges in the light, clatters over frail arches, rumbles upon the ...

Despite the streamliner craze, The Comet is only one of a handful of new diesel trains, and diesels are still only used for passenger traffic; most railroads streamline their existing steam ...