Buses that neither belch pollution nor draw on coal power are starting to appear on city streets with the support of Silicon Valley and a company backed by Warren Buffett.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/zero-pollution-buses-emerge-backing-silicon-valley
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bloomberg
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/buses
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/zero-emissions-vehicles
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electric
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us