Oil prices edged higher on Wednesday on hopes of a recovery in fuel demand as China continues to ease its Covid-19 restrictions, though gains were capped by recession concerns and restarts at some United States energy plants shut by winter storms. Brent futures for February delivery rose nine cents, or 0.1 per cent, to $84.42 a barrel, by 0406 GMT. US crude advanced 10 cents, or 0.1pc, to $79.6