
In an electric car, though, it's more than just interesting. It can be critical. In the Nissan Leaf, a computer displays not just the remaining driving range -- 34 miles in this case -- but offers tips as to what accessories could be turned off to extend that range. In this case, just turning off the air conditioner could extend the car's remaining range to as much as 44 miles.
NEXT: How far you can go
Last updated October 08 2010: 11:03 AM ET