Greenhouse Gas Emissions and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles-Phase 2

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Environmental Protection Agency 40 CFR Parts 9, 22, 85, 86, 600, 1033, 1036, 1037, 1039, 1042, 1043, 1065, 1066, and 1068 Department of Transportation National Highway Traffic Safety Administration 49 CFR Parts 523, 534, 535, and 538 [EPA-HQ-OAR-2014-0827; NHTSA-2014-0132; FRL-9950-25-OAR] RIN 2060-AS16; RIN 2127-AL52 Correction In rule document 2016-21203, appearing on pages 73478-74274, in the issue of Tuesday, October 25, 2016, make the following corrections: § 1036.805 Symbols, abbreviations, and acronyms. [Corrected] 1. On page 74044, in paragraph (b), the table should read as follows: Symbol Quantity Unit Unit symbol Unit in terms of SI base units a atomic hydrogen-to-carbon ratio mole per mole mol/mol 1. b atomic oxygen-to-carbon ratio mole per mole mol/mol 1. C d A drag area meter squared m 2 m 2 . C rr coefficient of rolling resistance kilogram per metric ton kg/tonne 10 − 3 . D distance miles or meters mi or m m. e mass weighted emission result grams/ton-mile g/ton-mi g/kg-km. Eff efficiency. E m mass-specific net energy content megajoules/kilogram MJ/kg m 2 ·s − 2 . f n angular speed (shaft) revolutions per minute r/min π·30·s − 1 . i indexing variable. k a drive axle ratio. k topgear highest available transmission gear. m mass pound mass or kilogram lbm or kg kg. M molar mass gram per mole g/mol 10 − 3 ·kg·mol − 1 . M vehicle mass kilogram kg kg. M rotating inertial mass of rotating co…