Darren Woods is an American businessman that publicly endorsed the Paris climate accord and wrote a personal letter to Donald Trump urging him to keep the U.S. in the agreement. Somewhat counterintuitively, Woods is also the CEO of what company?

Oil is measured in barrels, which is equal to 42 US gallons or 159 liters.

Venezuela leads the world with 300.9 billion barrels of oil reserves – a 17.8 per cent share of global reserves.