A new taxi service, NanoCab, which uses the world's cheapest cars has made its way onto the streets of Sri Lanka.<br /><br />Just three weeks after they were introduced, NanoCabs are struggling to keep up with demand.<br /><br />But while some welcome the new taxis, others fear that the taxis will threaten their livelihood.<br /><br />Al Jazeera's Minelle Fernandez reports from Colombo.
