TriMet to procure 33 diesel buses by 2019, includes option for 257 buses July 27, 2016 | North America News TriMet’s Board has approved a plan to procure 33 40-foot (12.19-metre) diesel buses by fiscal year (FY) 2019, with an option to procure 257 diesel buses and eight hybrid electric buses during FY2020-2... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password