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Available space
Space behind the driver and in front, not really any space to the side or below driver
Interaction with dynamics systems? E.g., front or rear suspension?
Safety
Ease of access
Want to be able to easily access enclosure
Want to be able to easily remove enclosure from car for impounding
Want sufficient mounting locations for stability
Ventilation
Exhaust must be pulled to the exterior of the car away from any airstream which may reach the driver (regulation 8.4.D)
Braking
Will there be concerns with braking if we put the battery pack in the back? Too much weight in the back?
Weight tends to throw forward during braking
Risk of wheels locking up
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