Yes, you can stream audiobooks from Libby to your Google Home or Amazon Echo using Bluetooth:
Yes! You can listen to audiobook loans via Android Auto.
When you start listening, you can pause/play, skip back or forward 15 seconds, or change playback speed.
Yes! You can listen to audiobook loans via CarPlay.
From the CarPlay home screen, tap Libby, then choose a borrowed audiobook.
From the Now Playing screen, you can pause/play, skip back or forward 15 seconds, or change the playback speed (1x-2x).