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Miket,
Things have evolved somewhat, and that has caused confusion. The original concept was intended to minimize width so as to solve congestion problems. It is a two axis articulated arrangement where the axes are offset from each other, unlike with a common tractor trailer arrangement. And also unlike the common tractor trailer arrangement, the front four wheels function like wheels on a forklift truck, and the steering is extended up to the driver station. On a functional model, this arrangement seems to be remarkably effective in making a narrow vehicle stable.
The original aerodynamic features were developed, on that wheel system. This narrow and tall car solves a lot of problems, but it does involve some complications, which will probably not be understood without more demonstration. The patent drawings do explain it though, if anyone wants to look.
But since money is not free, and complexity means money, I am looking at a much simpler version, which would still have the important aerodynamic advantages but would be about two feet wider to get adequate stability without the articulated wheel system features.
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