All-weather bus comfortable the year round

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In winter the tightly closed bus is heated by gases from the exhaust pipe. For summer travel the windows and frames slide out of the way, leaving the sides of the bus wide open.

Seating twenty-five passengers, an all-steel bus has been designed for comfort in all weathers. In winter the body is completely enclosed and warmed by the exhaust pipe. In the summer, the windows swing out of the way. The sides are open, and the view unobstructed; not even the frames in which the windows slide are left in place. The front and rear windows on each side are hinged, and when not in use can be concealed in the panels.

Quite handy, don`t you think? And that (already) in 1922. Or were there any earlier vehicles that had this or a similar technique to create an all-weather vehicle? Please comment below.

Source: Popular Science Monthly March 1922 (page 37).

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