Can an EV tow it's own generator for long trips?

The Car Talk hosts' discussion of the dilemma of bringing along a generator to recharge an electric vehicle. 

http://www.postandcourier.com/article/20120616/PC2107/120619349

This page describes a home-made electric pickup conversion with an on-board generator that also tows a larger generator for long trips. 

http://www.electric-cars-are-for-girls.com/portable-generator.html