LEADER 00799nam 2200169z- 450 001 9910712218903321 035 $a(CKB)5470000002491936 035 $a(EXLCZ)995470000002491936 100 $a20230509c1998uuuu -u- - 101 0 $aeng 200 10$aUpdate heavy-duty engine emission conversion factors for MOBILE6: analysis of fuel economy, non-engine fuel economy improvements and fuel densities 210 $cUnited States Environmental Protection Agency, Air and Radiation$aWashington, D.C 517 $aUpdate heavy-duty engine emission conversion factors for MOBILE6 906 $aBOOK 912 $a9910712218903321 996 $aUpdate heavy-duty engine emission conversion factors for MOBILE6: analysis of fuel economy, non-engine fuel economy improvements and fuel densities$93291835 997 $aUNINA