Think of it as a big study. You pay them 500 bones a month to drive their car, give them all the data and feedback, they pay for the fuel and after 3 years the study is over.
This works out for the company too for tax reasons. Not a bad concept although the price of the lease is steep. I guess not having to pay for fuel makes up for that. Still, I want to see how these vehicles perform in other conditions.....hot and cold.