Now I've got 3 volunteers looking for rides from Portland to EMGR+N+SEE. Is there anyone coming from Seattle or Portland that can swing by a grab them on the Wednesday the 15th? They can probably pitch in for gas.

this is from the emrgnsee website and having been a MGB passenger on several occasions, i can highly recommend this:

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Groove Bomb Pick Up Time 7/17

RSVP YOUR ADVENTURE!
Want to party EMRG+N+SEE style all the way from Portland and back the minute you step out your door? If so, then we have a mighty package for you! Rise the bus —The Groove Bomb bus that is!

It’s official. The Groovebomb will be meeting at 5pm on Friday the 17th and departing for the event PROMPTLY at 6:30pm. Meets in inner SE portland; your departure details and location will be provided in your confirmation email. For reservations inquiry: contact groovebomb@emrgnsee.com.

If you haven’t yet experienced a trip on the Groove Bomb, now’s the time! In support of our ridesharing & sustainability initiatives, Portland’s finest mobile-party transport has partnered up with us to provide you with direct (and stylish) transport to and from the festival. The bus is outfitted with ample racks to haul all your gear, as well as an Emrg+N+See-approved sound system, “hospitality”, and some of the finest chauffeurs to ever grace the American roadways.