Here are a range of useful websites that students have found:

http://sustainabletransport.org/traction-battery-recycling-solutions-to-a-new-problem-required/

https://techxplore.com/news/2014-01-electric-buses-wireless-uk-milton.html

Map of sustainable transport and urban development policies: https://www.google.com/maps/d/viewer?mid=1J1Tl-dBvRS35EF7I6YxPehNRLGA&hl=en

http://www.fastcoexist.com/3025399/4-cities-developing-the-worlds-best-sustainable-transport-systems

http://www.earthtimes.org/encyclopaedia/environmental-issues/sustainable-transport/

http://www.sightline.org/research_item/bicycle/http://thisbigcity.net/environmental-sustainability-bicycles-three-reasons-two-wheels-great-cities/

http://www.sustainablecitiesinstitute.org/topics/transportation

http://www.wri.org/blog/2008/06/how-we-move-sustainable-transport-around-world

http://www.fastcoexist.com/3025399/4-cities-developing-the-worlds-best-sustainable-transport-systems

http://www.earthshare.org/2015/05/smarttransport.html

http://www.cnbc.com/2015/07/15/worlds-most-sustainable-transport-systems.html