Jonette Øyen with her Nissan Leaf outside the National Archives in Norway, where she works. Next month Norway is expected to become the first country where one in every 100 cars is purely electric.
Sidsel Overgaard /NPR
BMW's electric i3 Concept is presented before the Paris Motor Show last September. The car was officially unveiled Monday; purchasers can reportedly opt for using a gas-powered SUV several weeks each year.