1913 Alfa Aerodinamica, body by Carrozzeria Castagna, might have influenced the designs to follow, like the Dymaxion

Above image via MegaMoto http://megamoto.tumblr.com/
Do you also see the similarities to the below 1921 Rumpler, in the fenders especially Do you also see the similarities to the Dymaxion http://justacarguy.blogspot.com/2007/07/funky-car-that-is-from-one-of-earliest.html

Cool streamlined fuel tankers from the Ken Goudy truck photo collection

See many galleries of cool old trucks and semis at http://www.hankstruckpictures.com/kg_tankers.htm