This year marks the 21st annual Sylvania Spring Expo and Market presented by Dave White Chevrolet and northwest Ohio Chevy dealers held Saturday, April 13, from 9 a.m. until 3 p.m., at the Sylvania Sports and Exhibition Center at Tam-O-Shanter, 7060 Sylvania Avenue, Sylvania. This is one of the largest in northwest Ohio and features representation from more than 130 area businesses, organizations…