The Punjab secretary has issued orders to replace the two-stroke rickshaws with four-stroke ones or to convert the two-stroke into four-stroke.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/2-stroke-rickshaws-be-replaced-4-stroke-ones
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-times-pakistan
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/four-stroke
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/two-stroke
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rickshaws
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rawalpindi
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution