Green Cab is bringing new technology and zero emissions rideshare service to Madison. Download the app, designed for riders looking for a safe, greener, more affordable way to ride. Since 2010, Green Cab has served Madison and the surrounding communities with ecofriendly transporting, Starting in October 2019, in collaboration with Zerology, your green cab ride will be even greener as we rollout out electric fleet of Teslas will be hitting the streets. We have partnered with local businesses, nonprofit organizations and invested locally in our technology, vehicles, and our people. Green Cab offers a cost effective alternative to providing riders with the shared ride option and no surge pricing. Drivers meet all state and city wide safety regulations.