Battery-run three-wheelers have been plying the Dhaka city roads for about a year without approval of the Bangladesh Road Transport Authority and Dhaka City Corporation.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/unauthorised-battery-run-3-wheelers-ply-city-roads
[2] http://admin.indiaenvironmentportal.org.in/category/author/shawkat-ali-khan
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-age-bangladesh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electric
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/battery-vehicles
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dhaka