Buses, Class B (25-35 seats) : Rubber tired passenger vehicles powered by diesel, gasoline, battery or alternative fuel engines contained within the vehicle. Class B buses are equipped with 25 to 35 seats
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}