This is the exact approach that Better Place is using, starting in "island" econ...

throwaway267 on April 23, 2011 | parent | context | favorite | on: Lasers to replace spark plugs in gasoline engines

This is the exact approach that Better Place is using, starting in "island" economies. The idea being that most times you can just trickle-charge, but if you need distance, you stop by a battery station and it's swapped out robotically, in about the same time it takes to fill a gas tank.