Oil prices edges higher on Tuesday as upbeat economic data in No. 2 oil consumer China more than offset wider concerns that possible increases to US interest rates could dampen growth in the top consuming country. Brent crude rose 49 cents, or 0.6 per cent, to $85.25 a barrel by 12:48 p.m. ET (1648 GMT), while US West Texas Intermediate was up 49 cents, or 0.6pc at $81.32. China’s economy gr