General Motors is preparing to launch a pilot ridesharing program this summer, according to Bloomberg. Using its Maven unit, dedicated to exploring car-sharing opportunities, GM will be selecting vehicle owners and offering them the chance to add their cars to the Maven platform – where they can be rented by other users in exchange for cash. The unit will explore customer reactions to the program, with the aim of launching the project as a standalone business. For GM, such a move is intended to secure service revenues instead of relying solely on car sales – as that market is getting more uncertain in developed economies, hampered by looming legislation and the rise of EVs and ride-sharing services like Uber and…