ProductionGazprom restores gas shipments across Ukraine to avoid potential shortage in EuropeRussian gas giant sees its gas exports and production growing contrary to country's oil producers that face increasing government tax take from 1 JanuaryStrong flow: a Gazrpom-operated key gas metering station near a Russian town of Sudzha that sits on a major gas transit pipeline from the country across Ukraine to EuropePhoto: GAZPROMVladimir AfanasievMoscow