Chinese President Hu Jintao arrived in the U.S. this week for a four-day state visit. The White House rolled out the red carpet, working overtime to make sure that its largest creditor got the respect and pageantry it has come to expect.

Human rights, the under-valued yuan and yes, green energy have all been top items on the China /U.S. agenda.

In a relatively short time, China has emerged as one of the world’s largest green power