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|View History:  Monthly  Annual Download Data (XLS File)           
|View History:  Monthly  Annual                                     
|View History:  Monthly  Annual                                     
|View History:                                                      
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|Illinois Natural Gas Vehicle Fuel Consumption  (Million Cubic Feet)
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|Illinois Natural Gas Vehicle Fuel Consumption  (Million Cubic Feet)
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|Year                                                                                                                              | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec
|--------------------------------------------------------------------------------------------------------------------------------- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
|2010                                                                                                                              | 25  | 23  | 25  | 24  | 25  | 24  | 25  | 25  | 24  | 25  | 24  | 25 
|2011                                                                                                                              | 22  | 20  | 22  | 21  | 22  | 21  | 22  | 22  | 21  | 22  | 21  | 22 
|2012                                                                                                                              | 22  | 21  | 22  | 21  | 22  | 21  | 22  | 22  | 21  | 22  | 21  | 22 
|2013                                                                                                                              | 24  | 22  | 24  | 24  | 24  | 24  | 24  | 24  | 24  | 24  | 24  | 24 
|2014                                                                                                                              | 35  | 31  | 35  | 33  | 35  | 33  | 35  | 35  | 33  | 35  | 33  | 35 
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|2015                                                                                                                              | 33  | 30  | 33  | 32  | 33  | 32  | 33  | 33  | 32  | 33  | 32  | 33 
|2016                                                                                                                              | 40  | 38  | 40  | 39  | 40  | 39  | 40  | 40  | 39  | 40  | 39  | 40 
|2017                                                                                                                              | 16  | 14  | 16  | 15  | 16  | 15  | 16  | 16  | 15  | 16  | 15  | 16 
|2018                                                                                                                              | 11  | 10  | 11  | 11  | 11  | 11  | 11  | 11  | 11  | 11  | 11  | 11 
|2019                                                                                                                              | 11  | 10  | 11  | 10  | 11  | 10  | 11  | 11  | 10  | 11  | 10  | 11 
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|2020                                                                                                                              | 8   | 8   | 8   | 8   | 8   | 8   | 8   | 8   | 8   | 8   | 8   | 8  
|2021                                                                                                                              | 6   | 5   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6  
|2022                                                                                                                              | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6   | 6  
|2023                                                                                                                              | 5   | 5   | 5   | 5   | 5   | 5   | 5   | 5   | 5   | 5   | 5   | 5  
|2024                                                                                                                              | 5   | 5   | 5   | 5   | 5   |     |     |     |     |     |     |    
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|- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
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|Release Date: 7/31/2024                                                                                                          
|Next Release Date: 8/30/2024