Ann Arbor, MI – Ann Arbor Transportation Authority added 11 new clean diesel-electric hybrid buses to its fleet in March 2013. The total number of hybrids in service will be 52, bringing the fleet to 59% hybrid – - the highest percentage of operating hybrids in the U.S.
http://www.fleetsand...p-alt-fuel-use/
For photos of the AATA fleet from 2011, click here: http://www.cptdb.ca/...or&fromsearch=1