Taxies:

Don't let the nice smile deceive you.  This man is a killer.  He driving a small mini-van.  Many cities have these mini-vans and you can catch one as long as it has room.  They usually run on specific streets within a city and are very cheap.

Another type is the three wheeled motoche setup with a cab and a rear axle rather than a single wheel. 

Taxi getting a tube repair.

Taxi looking for a fare.