00935nam 2200169z- 450 9910712436703321(CKB)5470000002493777(EXLCZ)99547000000249377720230509c2000uuuu -u- -engProcedures for developing base year and future year mass and modeling inventories for the heavy-duty engine and vehicle standards and highway diesel fuel (HDD) rulemakingUnited States Environmental Protection Agency, Air and RadiationWashington, D.CProcedures for developing base year and future year mass and modeling inventories for the heavy-duty engine and vehicle standards and highway diesel fuel BOOK9910712436703321Procedures for developing base year and future year mass and modeling inventories for the heavy-duty engine and vehicle standards and highway diesel fuel (HDD) rulemaking3263518UNINA