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WASHINGTON -- The special US envoy on Sudan affairs said Wednesday that important progress has been made toward peace talks on Darfur and China plays a "constructive" role in facilitating such progress."I am very happy with the role the Chinese are playing," Andrew Natsios said in a speech at the Center for Strategic and International Studies, a Washington-based think tank."It is a constructive role," Natsios said. "I think the Chinese are like a locomotive that is speeding up."With mediation by China, he said, the Sudanese government has accepted a UN Security Council resolution adopted in July to authorize a hybrid UN-African Union peacekeeping force for the Darfur region.He said the major obstacles to the peace talks now come from the rebel groups rather than the Sudanese government.In a related development, China's Special Representative on African Affairs Liu Guijin said in Beijing on Tuesday that China will send a military liaison officer to Sudan's Darfur.Liu, who has just wrapped up a seven-day visit to the United States and the United Nations, said China has informed the UN of its decision.China also pledged to send a 315-member multi-functional engineering unit to Darfur in early October, which would be the first batch of UN-AU peacekeepers in place, and China will stick to its commitment, Liu said.Liu reiterated China's constructive and unique role in finding a solution to the Darfur issue, saying China has provided much aid and help with regard to the reconstruction and development of Darfur."The US and UN both hold positive views on China's role in resolving the Darfur issue, and hope China will play a bigger role in this regard," said Liu.

BEIJING -- China may entirely switch to non-food materials such as cassva, sweet potato, sorgo and cellulose in producing ethanol fuel as a substitute for petroleum, said a government official. The country would approve no projects designed to produce ethanol fuel with food from now on, an official of the National Development and Reform Commission (NDRC) told a seminar on China's fuel ethanol development held in Beijing on Saturday. "Food-based ethanol fuel will not be the direction for China," said Xu Dingming, vice director of the Office of the National Energy Leading Group, who was also at the seminar. China has been trying to avoid occupation of arable land, consumption of large amount of grain and damages to the environment in developing the renewable energies. The current four enterprises engaged in producing corn-based ethanol would be asked to switch to non-food materials gradually, according to the NDRC official who declined to be named. The four enterprises in Jilin, Heilongjiang, Henan and Anhui have a combined production capacity of 1.02 million tons of corn-based ethanol per year. The country has become a big producer and consumer of ethanol fuel in the world after the United States, Brazil and European Union, according to the NDRC official. China Oil and Food Corporation (COFCO), the country's largest oil and food importer and exporter, would focus on sorgo in the production of non-food-based ethanol fuel, said Yu Xubo, president of COFCO at the seminar. COFCO, which owns the Heilongjiang enterprise and has a twenty-percent stake in the Anhui enterprise, aims to produce five million tons of ethanol fuel based on sorgo in the near future. COFCO is leading the way in developing cellulosic ethanol fuel under a cooperation agreement with Denmark-based Novozymes, which leads the world in researches into the key enzymes needed in large-scale production of cellulosic ethanol. The current cost for producing ethanol fuel from stalks of corn, which are discarded by farmers, is still too high. Novozymes is working on the commercialization of cellulosic ethanol both in the United States and China. "We are optimistic about China's prospect of making it work ahead of the US, as the cost of collecting the stalks of corn are much cheaper in China," said Steen Riisgaard, president and CEO of Novozymes. There is much opposition both in China and in the world to corn-based ethanol fuel, which is believed will lead to higher corn price.

A regular inspection last month by the Ministry of Agriculture showed that food quality in 37 major cities has improved after a four-month promotional campaign, the ministry said on Friday.The nationwide inspection of vegetables, pork and aquatic products found acceptance rates had risen since August when the campaign was launched.The inspection found that:- 95.3 percent of the country's vegetables were safe in terms of pesticide residues.- 98.4 percent of meat products were up to scratch with regard to residues of clenobuterol hydrochloride, a drug some farmers used to put in pig feed but which is now banned due to the damage it can cause to the human heart.- 99.8 percent of aquatic products were free of chloramphenicol, and 95.7 percent were free from malachite green, both of which are banned fish food supplements.- No pork products in Beijing, Shenzhen, Shanghai and 25 other cities were polluted with banned drugs.- Aquatic products in seven cities including Beijing, Tianjin and Guangzhou were also found to be safe from illegal drugs.The ministry, which carries out five regular food safety inspections a year, attributed the achievements to its four-month campaign.It said in a news release that all 676 agricultural wholesale markets in large and medium cities have now been put under surveillance, up from 479 in September.Five kinds of pesticides that the ministry banned for their high toxicity have been seized and destroyed.The ministry also issued six regulations on pesticide registry management to standardize labeling and control product quantities."Thanks to the campaign, public awareness of agricultural product quality and food safety has been strengthened," the news release said.The ministry said it will follow up the campaign by cracking down on fake agricultural supplies and develop a network that gives farmers access to authentic and good-quality agricultural materials.

SHANGHAI -- A train designed to run at a speed of 200 km per hour left east China's Shanghai for Suzhou early Wednesday morning, ushering in a high-speed era for the world's fastest growing economy. Brand new homemade high-speed trains CRH are seen at a railway station in Jinan, east China's Shandong Province, April 12, 2007. The CRH trains which could run at least 200km per hour, will serve on high speed routes between major cities after the sixth nationwide railway speedup from April 18. [Xinhua]Nationwide, 140 pairs of high-speed trains with a speed of 200 km per hour or a faster speed will begin to hit the railways on Wednesday. The number will increase to 257 by the end of this year. Numbered D460, the train left Shanghai at 5:38 a.m. and is expected to arrive in Suzhou 39 minutes later. Wednesday marks the the beginning of the sixth "speed boost" of Chinese railways, which has been hard-pressed to cope with the country's hunger for bigger transport capacity. Chinese railway officials said last year, China fulfilled a quarter of the world's total railway transport volume on railways accounting for only 6 percent of the world's total length. "The sixth speed lift will boost passenger capacity and cargo capacity by over 18 percent and over 12 percent respectively," said Hu Yadong, vice-minister of railways.