Global demand for gas slows except in China. According to the most recent annual report of the International Energy Agency (IEA), the 1.2% increase in global consumption in 2013 to 3,500 billion cubic metres of gas, means that this source increased less last year than other primary sources of energy. It has been hit by competition from coal and renewable energies over the past decade but in 2013 it was also overtaken by oil, according to the IEA. The latter revised its forecasts downwards...