This one is kind of cool. A 250 KLM range electric Bus with 1/3 the normal fuel costs.
Also has reduced maintenance costs.
http://revolution-green.com/2013/08/08/electric-bus-a-new-era-in-public-transportation/ (http://revolution-green.com/2013/08/08/electric-bus-a-new-era-in-public-transportation/)
Kind rereads