Customers charged up about new choices for electric cars

As technology improves, drivers expect more miles per charge, more selections, better prices

Guo Lingyu, a Beijing office clerk, is in love again and her family - including her husband - feel she has made a good choice.

Her new "sweetheart" is a BYD Song EV 300 model, an electric SUV, which she drove home last month after luck failed her family for six straight years to win a gasoline car license plate in Beijing's lottery system.