A Chinese biodiesel manufacturing company, China Clean Energy, has halted its biodiesel production operations due to a 40% increase in the prices of their feedstock (waste grease, cottonseed and rapeseed). It has become unprofitable for companies to continue production under such conditions. In an effort to avoid negative impacts of biofuels on the prices of food-based feedstocks, the Chinese central government is gearing toward the use of non-food feedstocks for biofuels, such as jatropha and woody biomass..