They now have a month to produce models, which will be exhibited in August.
Production versions will include front-wheel-drive models, which will be the most fuel-efficient versions.
The doors of the Infiniti M models, which will arrive in the spring, unlock as the driver approaches.
Several carmakers, including Toyota and General Motors, are developing plug-in hybrid models, which will appear in showrooms next year.
It is left to the discretion of clinical commissioning groups (CCGs) to decide best local models, which will require increased funding of hundreds of millions.
Where the benefits are unlikely to accrue to private investors, who should pay for the early demonstration models, which will require billions of dollars?
In their place, Mitsubishi will offer some of the smaller hybrid and electric models, which will also be aimed at developing markets.
DaimlerChrysler is upping the ante with its 2001 models, which will have up to a 230-horsepower engine as well as power-controlled rear door and center consoles with power outlets and cell-phone battery chargers.
Volkswagen also said Wednesday that it had decided to produce its New Small Family models, which will carry the Volkswagen, Seat and Skoda brands, at its facility in Bratislava, Slovakia.
But in the shorter term the carmakers will have to add lots of expensive sensors, computing power and software to their models, which will make it harder to turn a profit.
These results provide a characteristic diagram of integral fluxes for all models, which will be compared.
