(Bloomberg) -- China, Indonesia and Vietnam must aim for deeper emissions cuts as their current plans are too polluting and more expensive than cleaner alternatives, BloombergNEF said in a report.Most Read from BloombergOne Dead After Singapore Air Flight Hit By Severe Turbulence‘It Felt Like We Had Crashed’: Singapore Air Passenger Describes Turbulence TerrorTesla Shareholder Group Slams Elon Musk’s $56 Billion Pay PackageHims Debuts $199 Weight-Loss Shots at 85% Discount to WegovyThe three cou