Rocky Mountains (PADD 4) Refinery and Blender Net Inputs of Isobutane/Isobutylene (Thousand Barrels)



Energy Glossary

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Monthly

Annual

Rocky Mountains (PADD 4) Refinery and Blender Net Inputs of Isobutane/Isobutylene (Thousand Barrels)

Decade	Year-0	Year-1	Year-2	Year-3	Year-4	Year-5	Year-6	Year-7	Year-8	Year-9
1980's		853	670	580	743	786	1,124	887	1,253	1,046
1990's	1,156	1,295	1,205	1,301	1,397	1,338	1,479	1,578	1,076	1,742
2000's	1,795	1,628	1,609	1,528	1,593	1,516	2,264	2,442

Updated on 6/26/2008

Source: U.S. Energy Information Administration