The freezing weather entrenched across much of Europe is stretching Britain’s supply of natural gas with fresh snowfall forecast for much of the country. The coldest spell since December 2010 is severely testing the nation’s energy and transport network — roiling energy markets, closing airports, London’s Paddington train station and major roads. The Irish stock exchange shut early and trading will remain halted through Friday, citing a severe weather warning. Gas prices for Thursday more than doubled as National Grid Plc, operator of the Britain’s pipeline network, said there could be a gas deficit by the end of the day as lower-than-expected supply meets with elevated demand caused by the severe weather. While there’s little prospect of gas running out, the grid offered […]