Oil prices edge lower on demand worries

By Karolin Schaps LONDON (Reuters) - Oil edged lower for a third day on Wednesday, in response to uncertainty over the outlook for consumption due to weaker refinery demand and also a potential slowdown in economic growth after Britain's decision to leave the European Union. In the United States, record demand from car drivers has not made much impact on a worldwide surplus of gasoline, which has weighed on refineries' profitability, leading some to cut runs and throwing their demand for crude o