Federal Register Recent Federal Regulation Documents - Justia Regulation Tracker - Justia Regulations Tracker https://regulations.justia.com/regulations/fedreg/agencies/department-of-transportation/national-highway-traffic-safety-administration/2010/12/29?limit=200&registers=between&mode=atom 2021-09-21T08:18:01-07:00 Justia Inc https://www.justia.com/ Justia Regulations Tracker https://regulations.justia.com/images/justiafedregulations.gif Copyright 2011 Justia Inc https://regulations.justia.com/regulations/fedreg/2010/12/29/2010-32726.html Proposed Rule - Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles 2010-12-29T00:00:00-08:00 2010-12-29T00:00:00-08:00 2010-32726 Proposed Rule http://www.gpo.gov/fdsys/pkg/FR-2010-12-29/pdf/2010-32726.pdf