What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

Waymo is expanding its robotaxi service in downtown Phoenix to include pickups and drop-offs at Phoenix Sky Harbor International Airport. This is the first time a U.S. robotaxi operator has launched paid trips to and from an airport, which will be an essential use case for autonomous vehicle companies looking to scale.
moderately positive