“Come round for a cup of tea,” was the cordial invitation from Philip Green one cold January day in 2005. So off I trudged to the offices of Arcadia Group on London’s Oxford Street.

The oil world was abuzz at the end of last week on speculation that the UAE might be on the verge of pulling out of the Organization of Petroleum Exporting Countries (OPEC).

In the campaign to combat climate change, the biggest challenge is China. As the world’s most populous country and its biggest manufacturer, China’s indigenous energy resources are dominated by coal, the least environmentally friendly of the hydrocarbons.

What should the oil markets expect from a Joe Biden presidency? The question is simultaneously more complex, and far simpler, than it might appear on the surface.

Just what was US President Donald Trump playing at? Not with regard to his unmasking appearance on the White House balcony — though this was certainly curious — but with his attitude to the next round of fiscal stimulus to the US economy.

Cities are wealth creators and wealth magnets. According to a recent survey for global city mayors, the world’s two biggest and richest metropolises — Tokyo and New York — generate more gross domestic product than 170 of the 183 nation states in the World Bank rankings of economic power.

Prince Abdul Aziz bin Salman, the Saudi energy minister, has pulled off something of a coup in the delicate world of energy diplomacy with the communique from G20 colleagues issued early on Tuesday.