Taxis in Bangkok are really something. There is so many of them and they are constantly driving around the city, most of them empty (red light). The economics o

Taxis in Bangkok are really something. There is so many of them and they are constantly driving around the city, most of them empty (red light). The economics of this must be really strange. Don't they have to pay for gas? How much fuel is burned by keeping all these cars in motion (not that there's anywhere to park them anyway).