Synthsaga SciFi: 1950s AeroRockers come to Down City - ,parallel dimension

The aeroRockers come to town for their small business. They sell a new type of very compact batteries and strut around with their modified cars that run on them. You can tell when they arrive because a strange noise resounds in the streets, a mixture of jet plane and gasoline engine. In reality they live a bit outside the law, and often cause chaos in traffic by parking wherever they want, because according to them, their cars come to beautify the city and decorate it with their fantastic custom designs, far from the cold and soulless shapes of the standard cars. They take the most iconic part of a car for humans, which for them, after the horses, were those vintage carriages that were given in our dimension of the 50-60’s and enhance and improve them with advanced but very discreet technologies (sometimes...). In a way they are melancholic of the past, although they don’t hesitate to upgrade their car with the latest magnetic propulsion hybrid model that appears on the market. What a