Adjustable length delivery vehicle

1. A vehicle comprising:

a front end module;

a tail module;

a first trailing edge of the front end module and a first leading edge of the tail module allowing temporary connection of the tail module and front end module for service use;

a power train module adapted for installation under at least one of the front end module and the tail module;

an expansion band, the expansion band having a second leading edge and a second trailing edge allowing temporary installation of at least one expansion band between the front end module and the tail module to adjust the length of the vehicle, wherein the power train module includes an electric traction motor, the front end module, tail module and expansion band are one piece molded composite elements, wherein the tail module and the expansion band each include integral shelving;

a service deck defined on a portion of an interior of the expansion band and the tail module; and

traction battery packs installed on the service deck.

2. The vehicle as set forth in claim 1 further comprising:

at least two expansion bands located in series between the front end module and the tail module to adjust the length of the vehicle.

3. The vehicle as set forth in claim 1 , wherein the front end module, the tail module and the expansion band are formed as one piece monocoque elements.

4. The vehicle as set forth in claim 1 , further comprising:

pass through control, power and instrumentation connections operatively connected to the expansion band.

5. The vehicle as set forth in claim 4 , further comprising:

an auxiliary power unit installed on the power train module.

6. A vehicle comprising:

a front end module molded in one piece from composite material to form a monocoque hull element;

a tail module molded in one piece from composite material to form a monocoque hull element;

a trailing edge from the front end module and a leading edge to the tail module allowing temporary connection of the tail module and front end module for service use;

a power train module adapted for installation under at least one of the front end module and the tail module;

an expansion band, the expansion band having a leading edge and a trailing edge allowing temporary installation between the front end module and the tail module to adjust vehicle length;

the expansion band being formed as a one piece monocoque element;

the power train module including an electric traction motor;

a service deck disposed on an interior of the expansion band and tail module;

a removable floor disposed over the service deck; and

traction battery packs installed on the service deck.

7. A vehicle as set forth in claim 6 , further comprising:

pass through control, power and instrumentation connections associated with the expansion band.