{"data":{"id":"us/40-cfr-table-mm-1-to-subpart-mm-of-part-98","jurisdiction":"us","citation":"40 CFR Table MM-1 to Subpart MM of Part 98","heading":"Table MM-1 to Subpart MM of Part 98—Default Factors for Petroleum Products and Natural Gas Liquids 1 2","body":"Products Column A: density (metric tons/bbl) Column B: carbon share (% of mass) Column C: emission factor (metric tons CO2/bbl)\nFinished Motor Gasoline\nConventional—Summer\nRegular 0.1181 86.66 0.3753\nMidgrade 0.1183 86.63 0.3758\nPremium 0.1185 86.61 0.3763\nConventional—Winter\nRegular 0.1155 86.50 0.3663\nMidgrade 0.1161 86.55 0.3684\nPremium 0.1167 86.59 0.3705\nReformulated—Summer\nRegular 0.1167 86.13 0.3686\nMidgrade 0.1165 86.07 0.3677\nPremium 0.1164 86.00 0.3670\nReformulated—Winter\nRegular 0.1165 86.05 0.3676\nMidgrade 0.1165 86.06 0.3676\nPremium 0.1166 86.06 0.3679\nGasoline—Other 0.1185 86.61 0.3763\nBlendstocks\nCBOB—Summer\nRegular 0.1181 86.66 0.3753\nMidgrade 0.1183 86.63 0.3758\nPremium 0.1185 86.61 0.3763\nCBOB—Winter\nRegular 0.1155 86.50 0.3663\nMidgrade 0.1161 86.55 0.3684\nPremium 0.1167 86.59 0.3705\nRBOB—Summer\nRegular 0.1167 86.13 0.3686\nMidgrade 0.1165 86.07 0.3677\nPremium 0.1164 86.00 0.3670\nRBOB—Winter\nRegular 0.1165 86.05 0.3676\nMidgrade 0.1165 86.06 0.3676\nPremium 0.1166 86.06 0.3679\nBlendstocks—Other 0.1185 86.61 0.3763\nOxygenates\nMethanol 0.1268 37.48 0.1743\nGTBA 0.1257 64.82 0.2988\nMTBE 0.1181 68.13 0.2950\nETBE 0.1182 70.53 0.3057\nTAME 0.1229 70.53 0.3178\nDIPE 0.1156 70.53 0.2990\nDistillate Fuel Oil\nDistillate No. 1\nUltra Low Sulfur 0.1346 86.40 0.4264\nLow Sulfur 0.1346 86.40 0.4264\nHigh Sulfur 0.1346 86.40 0.4264\nDistillate No. 2\nUltra Low Sulfur 0.1342 87.30 0.4296\nLow Sulfur 0.1342 87.30 0.4296\nHigh Sulfur 0.1342 87.30 0.4296\nDistillate Fuel Oil No. 4 0.1452 86.47 0.4604\nResidual Fuel Oil No. 5 (Navy Special) 0.1365 85.67 0.4288\nResidual Fuel Oil No. 6 (a.k.a. Bunker C) 0.1528 84.67 0.4744\nKerosene-Type Jet Fuel 0.1294 86.30 0.4095\nKerosene 0.1346 86.40 0.4264\nDiesel—Other 0.1452 86.47 0.4604\nPetrochemical Feedstocks\nNaphthas (\u003c401 °F) 0.1158 84.11 0.3571\nOther Oils (\u003e401 °F) 0.1390 87.30 0.4450\nUnfinished Oils\nHeavy Gas Oils 0.1476 85.80 0.4643\nResiduum 0.1622 85.70 0.5097\nOther Petroleum Products and Natural Gas Liquids\nAviation Gasoline 0.1120 85.00 0.3490\nSpecial Naphthas 0.1222 84.76 0.3798\nLubricants 0.1428 85.80 0.4492\nWaxes 0.1285 85.30 0.4019\nPetroleum Coke 0.1818 92.28 0.6151\nAsphalt and Road Oil 0.1634 83.47 0.5001\nStill Gas 0.1405 77.70 0.4003\nEthane 3 0.0579 79.89 0.170\nEthylene 4 0.0492 85.63 0.154\nPropane 3 0.0806 81.71 0.241\nPropylene 3 0.0827 85.63 0.260\nButane 3 0.0928 82.66 0.281\nButylene 3 0.0972 85.63 0.305\nIsobutane 3 0.0892 82.66 0.270\nIsobutylene 3 0.0949 85.63 0.298\nIsobutylene 0.0936 85.63 0.2939\nPentanes Plus 0.1055 83.63 0.3235\nMiscellaneous Products 0.1380 85.49 0.4326\n1 In the case of products blended with some portion of biomass-based fuel, the carbon share in Table MM-1 of this subpart represents only the petroleum-based components.\n2 Products that are derived entirely from biomass should not be reported, but products that were derived from both biomass and a petroleum product (i.e., co-processed) should be reported as the petroleum product that it most closely represents.\n3 The density and emission factors for components of LPG determined at 60 degrees Fahrenheit and saturation pressure (LPGs other than ethylene).\n4 The density and emission factor for ethylene determined at 41 degrees Fahrenheit and saturation pressure.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 98—MANDATORY GREENHOUSE GAS REPORTING","Subpart MM—Suppliers of Petroleum Products"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"21b72fe29401e4a9d929c848251b4735706f9d0d7cbdb31e292c5454575c3fc9","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-98.398","next":"us/40-cfr-table-mm-2-to-subpart-mm-of-part-98"},"notice":"GroundRules: Original legal text. Not legal advice."}
