ORIGINAL RESEARCH
Research on Carbon Emission Prediction
of the Transportation Industry in Shaanxi
Province Based on DFE-IPOA-KELM Model
			
	
 
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				School of Management, Xi’an University of Architecture and Technology, Xi’an 710055, China
				 
			 
										
				
				
		
		 
			
			
			
			 
			Submission date: 2023-12-21
			 
		 		
		
			
			 
			Final revision date: 2024-04-07
			 
		 		
		
		
			
			 
			Acceptance date: 2024-06-05
			 
		 		
		
			
			 
			Online publication date: 2024-09-24
			 
		 		
		
			
			 
			Publication date: 2025-05-09
			 
		 			
		 
	
							
										    		
    			 
    			
    				    					Corresponding author
    					    				    				
    					Xusheng  Lei   
    					School of Management, Xi'an University of Architecture and Technology, Xi'an 710055, China, China
    				
 
    			
				 
    			 
    		 		
			
												 
		
	 
		
 
 
Pol. J. Environ. Stud. 2025;34(4):4289-4309
		
 
 
KEYWORDS
TOPICS
ABSTRACT
To assess whether Shaanxi Province’s transportation industry can achieve the carbon peak target
by 2030 and to determine the total carbon emissions of the industry by that year. A model based
on dual feature extraction (DFE) and an improved Pelican algorithm (IPOA) to optimize the kernel
extreme learning machine (KELM) is proposed in this study and used to predict transportation industry
carbon emissions from 2022 to 2040. First, the influencing factors of carbon emissions are extracted
through Spearman and gradient boosting decision trees (GBDT), and the extracted factors are
used as the input set of the carbon emission prediction model. Secondly, the IPOA is used to optimize
the parameters of the KELM to overcome its shortcomings of easily falling into local optimal solutions.
Finally, the combined model is used to predict the future carbon emissions of the transportation
industry in Shaanxi Province. Comparing the prediction results and error indicators with other optimal
benchmark models, the model improved by 19.98%, 30.72%, and 21.33% in the three indicators
of MAPE, RMSE, and MAE, respectively. It is confirmed that the carbon emission prediction model
proposed in this study is more effective and can more accurately reflect the future carbon emission trend
of the transportation industry in Shaanxi Province, China.