The nation’s largest independent school bus company, the Cook Illinois Corporation based in Chicago, is planning to switch its entire fleet to biodiesel.
biodesiel

Largest American School Bus Fleet to Convert to Biodiesel
(via thoughtsonglobalwarming.blogspot.com)
Submitted by Simmons on Fri, 2007-09-07 02:06. | Tags: transportation | biodesiel | bus | climate change | global warming | school bus