Singapore legislation
Regulation 70
of Road Traffic (Motor Vehicles, Construction and Use) Rules
Regulation 70
Fuel tanks, carburettors, etc.
Subregulation 1
No fuel tank of a vehicle shall be placed under any part of a gangway if that part of the gangway is within 600 millimetres of any entrance or exit of a single-decked vehicle or the lower deck of a double-decked vehicle.
Subregulation 2
All fuel tanks and all apparatus supplying fuel to the engine shall be so placed or shielded that no fuel overflowing or leaking therefrom can fall or accumulate upon any woodwork forming part of the vehicle or upon any other part of the vehicle or fitting thereto such that it might readily be ignited or that it can fall into any receptacle where it might accumulate.
Subregulation 3
The filling points for all fuel tanks shall be accessible only from the outside of the vehicle and filler caps shall be so designed and constructed that they cannot be dislodged by accidental operation.