Some of the greenest, most affordable transport options are now appearing in countries such as India and Cambodia. Uber has finally arrived in Cambodia, but the local alternatives are better established and often less expensive. PassApp Taxis, Exnet Taxi, and iTsumo are Uber-like taxi apps operating in Phnom Penh that allow you to book a metered tuk tuk, taxi, or SUV with the touch of a button (theoretically).
