• [2012-08-29] US announces tough fuel-efficiency rules
  + http://yosemite.epa.gov/opa/admpress.nsf/0/13F44FB4E2C2D39D85257A68005D0154 + http://news.mongabay.com/2012/0829-fuel-economy-standard.html + http://www.c2es.org/newsroom/statements/claussen-federal-fuel-economy-standards + http://www.c2es.org/federal/executive/vehicle-standards + http://www.c2es.org/blog/greenwaldj/new-car-rules-get-it-right-energy-environment-economy
  in Tietoukka Monitor > 2012 > 2012-35 with cars fuel-efficiency usa
• [2013-12-12] Fuel Economy of New Vehicles Sets Record High
  + http://epa.gov/otaq/fetrends.htm + http://epa.gov/otaq/fetrends-complete.htm + http://epa.gov/fueleconomy/fetrends/1975-2013/420s13002.pdf
  in Tietoukka Monitor > 2013 > 2013-50 with 2013 carbon_emissions cars fuel-efficiency usa

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