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|View History: Annual Download Data (XLS File)                                                         
|View History: Annual                                                                                   
|View History: Annual                                                                                   
|View History:                                                                                          
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|U.S. Refinery Isomers/Isopentane/Isohexane Production Capacity as of January 1 (Barrels per Stream Day)
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|U.S. Refinery Isomers/Isopentane/Isohexane Production Capacity as of January 1 (Barrels per Stream Day)
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|Decade                                                                                                                            | Year-0  | Year-1  | Year-2  | Year-3  | Year-4  | Year-5  | Year-6  | Year-7  | Year-8  | Year-9 
|--------------------------------------------------------------------------------------------------------------------------------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | ------- | -------
|1980's                                                                                                                            |         |         | 152,200 | 144,500 | 137,700 | 145,200 | 206,000 | 266,775 | 397,415 | 399,080
|1990's                                                                                                                            | 387,645 | 419,645 | 419,675 | 409,975 | 407,775 | 403,325 | NA      | 468,845 | NA      | 500,106
|2000's                                                                                                                            | 482,654 | 469,040 | 463,312 | 460,290 | 472,043 | 476,843 | 477,643 | 511,643 | 478,643 | 475,843
|2010's                                                                                                                            | 480,043 | 487,993 | 494,793 | 544,953 | 545,420 | 567,740 | 562,960 | 567,060 | 570,060 | 566,060
|2020's                                                                                                                            | 599,840 | 580,340 | 589,900 | 600,300 | 610,450 |         |         |         |         |        
|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 6/14/2024                                                                                                          
|Next Release Date: June 2025