"Fueling for Follies: Biofuels, Boats & Butch T. Cougar" is from 4 to 7 p.m. July 27 at Washington State University Tri-Cities in Richland.
The family-friendly fair will feature four Unlimited hydroplane boats and their drivers. Visitors can get an up-close look at the boats as well as talk with the drivers.
Boats tentatively scheduled to be on site include Great Scott U-22; Graham Trucking, U-7 Valken.com U-5, Formulaboats.com U-57, and Degree Men U-88. There also will be two vintage boats at the fair, Miss Thriftway and Miss Wahoo.
Admission is free.