The temporary fuel surcharge will apply to passenger rides from Apr 7 to May 31, excluding standard and metered taxi rides.   SINGAPORE: Grab will temporarily raise fuel surcharge to S$0.90 (US$0.70) from Apr 7 to May 31 amid volatility in fuel prices, the ride-hailing platform said on Tuesday (Mar 31). The move includes an additional S$0.40 surcharge on passenger fares during this period. Grab also announced that the existing “Driver Fee” of S$0.50 – introduced during earlier periods of