Oil prices rose for a second day on Tuesday as a key pipeline supplying the United States, the world’s biggest crude consumer, remained shut and on expectations loosening Covid restrictions in China, the second-biggest user globally, will boost demand. Brent crude futures rose 64 cents, or 0.8 per cent, to $78.63 per barrel by 0202 GMT, while US West Texas Intermediate (WTI) crude futures gaine