What happens when the insurance companies raise the normal rates to 10x what they are now, and offer a "discounted" rate only to those that have this camera installed? That would effectively force it on everyone without the help of any new laws.
>>You can't do that with x, y and z coordinates.
Yes you can. If each coordinate axis has a finite number of members, you can actually reduce the dimension to a single space of dimension 1. Index = x + y*x_members + z*x_members*y_members +...
The average EV-1 size electric vehicle consumes around 400 watt-hours per mile. Somewhere around 140 miles is a good estimate.
This site has a lot of home conversions: http://www.evalbum.com/