> Not all diners look like train cars, but many do because they were fabricated to look that way, […] features a corrugated metal surface

Article would do well to mention that this particular style comes from cars manufactured by Budd Company, who developed the necessary process of welding the stainless steel, first seen on Burlington's “Zephyr”:

- https://en.wikipedia.org/wiki/Shot_welding

- https://en.wikipedia.org/wiki/Pioneer_Zephyr