The selling point of the E-rev is that is cuts out "range anxiety" because if the electric charge in the battery runs low the car can use petrol to generate more.

BBC: Who drives electric cars?

The Ampera is an Extended Range Electric Vehicle (E-Rev).

BBC: Who drives electric cars?

For instance, I got an e-mail last week from several gay party activists who are disturbed that the Rev.

CNN: Commentary: Democrats finally getting religion on religion