(Lyft, Inc., San Francisco, CA, www.lyft.com) An unlicensed taxicab service that uses a mobile app for securing rides in vehicles owned by contracted drivers. Following in the footsteps of Uber, Lyft was founded in 2012 by Logan Green and John Zimmer. With its pink mustache logo, Lyft promoted a friendly driving environment, although that was later replaced with more traditional signage. Lyft Line is the company's carpooling service.In early 2016, General Motors invested half a billion dollars in Lyft to promote the creation of self-driving taxis and a car rental program for Lyft drivers. See Uber and transportation network company.