Insight: China pays high price to spare state firm from bankruptcy WEIFANG, China (Reuters) - The Chinese official was adamant the city of Weifang would keep its rayon factory open, noting that local authorities had just stepped in to help the plant's owner repay $60 million in commercial paper. Seaway pipeline sends oil to Texas in historic reversal HOUSTON (Reuters) - The Seaway pipeline began pumping crude from Cushing, Oklahoma, oil tanks to the heart of the U.S. refining industry in Houston on Saturday, marking a historic shift in the way oil flows across the United States. Crude down, hits biggest 3-wk loss since Aug '11 NEW YORK (Reuters) - Crude oil futures fell more than 1 percent on Friday, down for the sixth straight session, as worsening problems in Greece and Spain raised worries of contagion in the euro zone. U.S. agriculture companies set millions for Africa (Reuters) - A group of U.S. seed, chemical and equipment companies will invest at least $150 million over the next few years into African agricultural projects and products, the companies said on Friday. Vale confident will win Brazil double tax case-CEO RIO DE JANEIRO (Reuters) - Brazilian iron ore miner Vale <VALE5.SA> is confident it will win a dispute over taxes the government claims the company owes on earnings abroad, CEO Murilo Ferreira said on Friday. Analysis: China plastics demand won't revive enough to melt glut SINGAPORE/BEIJING (Reuters) - China's consumption of plastic could grow by up to 7 percent this year after stalling in 2011, but the rebound will not be enough to melt a regional supply glut that will curb the output of plastic manufacturers and pressure the petrochemical market. All baby boomers should get hepatitis C test -CDC (Reuters) - All baby boomers should be tested at least once for the liver-destroying hepatitis C virus, according to proposed guidelines from U.S. health officials released on Friday. All baby boomers should get hepatitis C test: CDC (Reuters) - All baby boomers should be tested at least once for the liver-destroying hepatitis C virus, according to proposed guidelines from U.S. health officials released on Friday. Cash-strapped G8 looks to private sector in hunger fight WASHINGTON (Reuters) - Buffeted by the euro zone crisis and distracted by political problems at home, the leaders of the world's industrial powers turned to the private sector on Friday to help fight hunger and malnutrition for up to a billion people struggling with shortages, droughts and rising food prices.