Global alliance to take on Uber

Four cab-via-app companies to roll out new international booking service by March

Four cab-via-app providers on Friday formed a cross-continent alliance to take on their common global rival Uber Technologies Inc.

China's Didi Kuaidi, India's Ola, Southeast Asia's GrabTaxi and United States' Lyft Inc said they will roll out a new feature on their existing taxi-booking apps to give their users access to each others' cabs in their respective markets.