UAE, one of the oil market’s heavyweight players, stepped out of OPEC and questions are rising over what the move could mean for the group’s energy production.

UAE, one of the oil market’s heavyweight players, stepped out of OPEC and questions are rising over what the move could mean for the group’s energy production.

The United Arab Emirates' (UAE) exit from Opec has reduced the group's share in global crude oil production and production capacity, according to data released by the US Energy…