From an announcement by the People’s Food Coop:

If interested in attending the Energy Fair with us please contact the People’s Food Co-op by June 6. Sign up at the customer service desk in person or over the phone—payment for the bus will be taken at this time ($15.00) and does not include fair admission—Get $5 dollars off admission when you ride the bus (sorry, no cancellations)

The Energy Fair is the oldest and largest event of its kind in the U.S.