Biodiesel buses begin commercial operations in Mexico’s Chiapas January 4, 2010 | Latin America News A fleet of 71 new bio-diesel buses, Conejobus bus system, has begun operations in Mexico's Chiapas state capital Tuxtla Gutiérrez and neighboring Tapachula. The project, deployed at an estimate... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password