HOUSTON (ICIS)--Rising ethylene spot prices and feedstock costs drove US February ethylene contracts up 3.75 cents/lb to 49.00 cents/lb ($1,080/tonne, €778/tonne), market sources said on Friday. SEE MORE Most Saudi petrochem producers use ethane because of government subsidies that mark it below market prices, and also at values cheaper than other feedstock such as propane and naphtha. SEE MORE Australia risks falling behind countries such as China in reducing greenhouse gas pollution without a price on emissions that will ensure the “health and prosperity” of the economy, Treasurer Wayne Swan said. SEE MORE (VEN) - The Japan International Cooperation Agency (JICA) in Vietnam and the HanoiUniversity of Technology recently signed a project on technical support in creating a carbon cycle system with natural rubber. SEE MORE Noble Group Ltd, the Hong Kong-based supplier of energy, food and mining commodities, sees Mongolia as its next opportunity to expand in coal and build on its record 2010 profits. SEE MORE