https://www3.epa.gov/otaq/datafiles/CSI-TWHNV00.0LZB.PDF monthly 1.00 https://www3.epa.gov/otaq/datafiles/CSI-TWHNV00.0LEB.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VHYXV00.0U00.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VHNXV02.02EC-VHNXR0122DAA.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-TWAXV06.0UL3-TWAXR0190ECN.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VRRGV06.7N74-VRRGR0170RR1.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VMLNV04.0M14-VMLNR0164M14.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VKMXV02.0NE3-VKMXR0125NEG.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VKMXV01.6NC3-VKMXR0125NCG.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VHYXV03.5HT5-VHYXR0142HPG.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VHYXV02.5HP3-VHYXR0142HPG.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV03.0SM3-VBMXR0150G3F.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VFEXV03.9T50-VFEXR017508T.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV04.4H9X-VBMXR0170H09.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV03.0B5P-VBMXR0150G6F.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV03.0H5P-VBMXR0170G0H.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV02.0B4D-VBMXR0150G60.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV02.0B4P-VBMXR0150G60.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV00.0U2A.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV00.0N5C.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV00.0G6B.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXV00.0G6A.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXT04.4S68-VBMXR0180G05.PDF monthly 0.80 https://www3.epa.gov/otaq/datafiles/CSI-VBMXT04.4S6M-VBMXR0180G05.PDF monthly 0.80 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https://www3.epa.gov/otaq/fuels1/ffars/web-fuel.htm monthly 0.80 https://www3.epa.gov/otaq/fuels1/ffars/web-gas.htm monthly 0.80