There have been car research prototypes, which can achieve 100 mpg and these prototypes were developed nearly 30 years ago. There really is nothing smart about the Smart Car.
Today it is completely possible using advanced technology to produce a production family car which can attain the goal of 100 mpg.


The British Austin AR6 protoype dating from 1982 was constructed from lightweight Aluminium and composite materials and had a high efficiency 3 Cylinder Diesel engine developed from the K series engine line.

A similar car could be produced using similar recyclable materials and together with improvements in aerodynamics (Giugiaros Ital styling) and electronic regenerative braking and modern computer controlled fuel injection control systems, 100 mpg is easily achievable. To see the future, you sometimes have to look back in to the past.