Natural gas has a lot going for it. It burns cleaner than other fossil fuels, producing about half the carbon dioxide of coal. Thanks to new discoveries and the U.S. shale boom, it’s cheap and plentiful. But there’s a catch: Gas is tricky to transport from the often-remote fields where it’s found to where it’s needed. In many places, pipelines simply aren’t practical. The solution? Turn the gas into a liquid by super-cooling it to minus 162 degrees Celsius (minus 260 degrees Fahrenheit). Liquefied natural gas, known as LNG, can be loaded on ships and transported around the world. This high-tech process has transformed natural gas into a more freely traded commodity with the potential to reshape the politics of global energy. Is LNG the fuel of the future?

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