Oil prices climbed about 3% on Tuesday on signs of higher demand in Europe and China, lower production in the U.S., tensions ...

The EU buys gas from Russia, Libya and Qatar — despite sanctions and clashes of interests and values. So why is Iran, with the world's second-largest gas reserves, left out of the equation?

European governments could use some of the many depleted oil and gas fields dotted across the North Sea to store strategic gas reserves. Such a programme would certainly not be cheap: 20 bcm of ...