The Abu Dhabi National Oil Company (Adnoc) has shaken up its key management with Sultan al-Jaber replacing ‘Abd Allah Nasir al-Suwaidi as director general on 15 February. Mr Jaber is younger than his predecessor and has closer ties to Abu Dhabi Crown Prince Muhammad bin Zayid Al Nuhayyan.
 
The Crown Prince has effectively been in control of the country since his brother President Khalifa bin Zayid suffered a stroke in January 2014. This marks his further consolidation over the...