Oil prices closed nearly unchanged on Tuesday as upbeat economic data in China offset concerns that possible increases in US interest rates could dampen growth in the top oil-consuming country. Brent crude settled 1¢ higher at $84.77 per barrel, while US West Texas Intermediate (WTI) closed up 3¢ at $80.86/bbl. China's economy grew by a faster-than-expected 4.5% in the first quarter while oil refinery throughputs in the country rose to record levels in March, data showed.
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