Malaysia’s top state energy official has apologised after facing backlash at home for taking part in a champagne-spraying celebration at the Singapore Grand Prix, in the latest controversy over Islamic norms and the conduct of government-linked companies.Tengku Muhammad Taufik Tengku Aziz, the president and group chief executive of Petroliam Nasional Berhad (Petronas), joined the podium celebrations on Sunday as the Mercedes-AMG Petronas Formula One Team – which the company sponsors – clinched...