[TChris]

"Many, if not most, consumers in the United states would never need to buy gasoline, or buy gasoline very rarely," Lauckner said.

...but their electric bill would go through the roof.

Gasoline is still much cheaper energy than electricity.

[NicknamedBob]

"...but their electric bill would go through the roof."

Not if it came down from the roof. Putting solar cells on the roof of your garage would give you more affordable mobility.

On days when you didn't feel like going anywhere ... you could stay at home and make money.