This is the point that, at the beginning of the 1920s, as Gallati pointed out in the rest of the article, was addressed - and theorised in "Vers une architecture" of 1923 - by Le Corbusier, with his houses called, not by chance, Citrohan, thus underlining their seriality and economy, concepts taken from automobile production: "the car is a subject with a simple function that has imposed the need for standardization on big industry (...) Houses are cars to be inhabited". It is not always by chance that Le Corbusier recognized in Lingotto, a 1923 masterpiece by Matte' Trucco, a rare "model for including cars in architecture: cars and buildings do not intersect (...) but there is just what the car needs: asphalt to be bitten on the track above the roof. (Gallati), a roof that is reached by two formidable helical ramps. The idea of the Lingotto - and the Citroen and Renault plants of the 1930s in Javel and Billancourt - is the same as that of the integrated production cycle in Detroit. I