Requirements for a short range electric vehicle :
Light weight ?
The Lotus has a tube steel chassis, and an aluminium body .
Cheap to build ?
Tube steel roll cages are a healthy mature industry. They can be built at reasonable cost.
Rustproofing ? spray cold gal or penetrol, or fisholene inside the tube steel.
Aerodynamics ? tick.
Availability of off the shelf mechanical parts ? Build one based on the current crop of golf cars ?
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