I spoke with a taxi driver today - apparently each company cab offers two services
- taxi lease, and they set a maximum of three people to share the cab. In general only two partners get together, otherwise, it might not be worth their while. One of them charge some S$90 per day for the car (which can be split between the partners)
- call and dispatching center. The cab drivers charge an extra $3 for this service, of which the cab company get 50 cents.

Shifts tend to be 12 hr long (with pauses for food, etc...) Typically a night and a day driver. Average cab ride is apparently about $5 and no more than 10/15 min long. This must cover the lease cost and petrol cost. Everyone is self-employed so must subscribe separate insurance. Lease covers car insurance fees. Taxi comes all equipped with meter, etc...Meters are leased from Singapore.

I am sure you all wanted to know that.