China's Sinopec cuts off oil exports: state media

 Uh-oh... 

http://www.energy-daily.com/reports/Chinas_Sinopec_cuts_off_oil_exports_state_media_999.html

Here's a related article: 

http://business.globaltimes.cn/industries/2011-04/647024.html

I'm sure the US media and government will blame higher oil prices on the speculators.  Hint:  the US government owes the Chinese over $1 trillion.  The Chinese don't particularly like us.  China will do what's best for China, period.