Had to laugh when I saw the overhead wires in the pic of the streetcar.
It you click on the "related stories" link titled "In D.C. And China, Two Approaches To A Streetcar Unconstrained By Wires", you can read about Guangzhou's wireless tram: "You can see that as the train enters the station, it just lightly touches those contact strips, and in 20 seconds it's fully charged and ready to go to the next station".
It you click on the "related stories" link titled "In D.C. And China, Two Approaches To A Streetcar Unconstrained By Wires", you can read about Guangzhou's wireless tram: "You can see that as the train enters the station, it just lightly touches those contact strips, and in 20 seconds it's fully charged and ready to go to the next station".