Natural gas, helped by gains in energy efficiency, will dethrone oil as the biggest energy source that the United States uses by the end of this year. That’s according to the chief executive of Norway-based risk management consultancy DNV GL, and it would hardly come as a surprise to anyone who’s been following energy developments in the world’s top gas producer. Yet it’s only a part of all the glorious energy developments that the Norwegian company expects for the world in the next couple of decades. Remi Eriksen told CNBC Europe that “Energy efficiency is going to outpace the growth in GDP (gross domestic product), that’s the main reason why energy demand is peaking. (And) there will be a massive change in technology in the transport sector, not only on the roads but also at sea.” Meanwhile, gas will overtake oil not just in the United States, but across […]