Links:
[1] http://re.indiaenvironmentportal.org.in/reports-documents/have-us-fuel-economy-and-greenhouse-gas-emissions-standards-improved-social
[2] http://www.indiaenvironmentportal.org.in/files/file/fuel-economy.pdf
[3] http://re.indiaenvironmentportal.org.in/category/author/benjamin-leard
[4] http://re.indiaenvironmentportal.org.in/category/author/joshua-linn
[5] http://re.indiaenvironmentportal.org.in/category/author/katalin-springel
[6] http://re.indiaenvironmentportal.org.in/category/publisher/resources-future-0
[7] http://re.indiaenvironmentportal.org.in/category/thesaurus/fuel-economy-standards
[8] http://re.indiaenvironmentportal.org.in/category/thesaurus/fuel-efficiency
[9] http://re.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[10] http://re.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[11] http://re.indiaenvironmentportal.org.in/category/thesaurus/climate-mitigation
[12] http://re.indiaenvironmentportal.org.in/category/thesaurus/green-house-gases
[13] http://re.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide
[14] http://re.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[15] http://re.indiaenvironmentportal.org.in/category/thesaurus/air-pollution-control
[16] http://re.indiaenvironmentportal.org.in/content-types/report