In our case we do not pay for
In our case we do not pay for electricity and in many parts of North America electricity costs are far less than you used in your calculations. Also, 70 percent of Americans drive less than 40 miles per day so for those drivers the Volt makes more sense. Final point, at the moment the Volt qualifies for a $7,500 tax credit which certainly helps narrow the gap. Still, any vehicle that reduces gasoline consumption is a huge step in the right direction.