Ahh yes , China , that massive elephant in the room that the tree hugging left wing environmentalists keep on ignoring....
By the way it's all well and good to talk about personal car use and saving money on fuel there but what about those huge trucks that deliver all the food to the supermarkets.I don't see them becoming all that much more fuel efficient in the future , due to the weight component.Shop as local as you can people , thats the future.