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  3. Research Domains
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  9. Air Pollution Modelling And Control
  11. Assessing The Feasibility And Environmental Benefits Of Electrifying Construction Machinery In Beijing, China.
  1. Home
  3. Research Domains
  5. Engineering
  7. Environmental Engineering
  9. Air Pollution Modelling And Control
  11. Assessing The Feasibility And Environmental Benefits Of Electrifying Construction Machinery In Beijing, China.

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Assessing the feasibility and environmental benefits of electrifying construction machinery in Beijing, China.

Huawei Yi1, Yangyang Cui1, Han Li1

  • 1National Engineering Research Center of Urban Environmental Pollution Control, Beijing Municipal Research Institute of Eco-Environmental Protection, Beijing 100037, China.

Journal of Environmental Sciences (China)
|September 26, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Electrifying oil-fired construction machinery (OCM) is feasible, especially for low-power equipment. This transition can significantly cut urban air pollutants and carbon dioxide emissions by 2030.

Keywords:
Air pollutionAnalytic hierarchy processCO(2)Construction machinery

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Area of Science:

  • Environmental Science
  • Engineering
  • Energy Policy

Background:

  • Oil-fired construction machinery (OCM) significantly contributes to urban air pollution and CO2 emissions.
  • Electrification of OCM is vital for improving air quality and meeting China's carbon reduction targets.
  • The feasibility of OCM electrification requires comprehensive evaluation.

Purpose of the Study:

  • To assess the development potential of electrifying OCM in urban environments.
  • To analyze technical, economic, and operational factors influencing OCM electrification.
  • To provide data-driven recommendations for promoting OCM electrification.

Main Methods:

  • Data envelopment analysis (DEA) and analytic hierarchy process (AHP) were employed.
  • A development potential index was created, considering efficiency, cost, application scenarios, and charging/range.
Data envelopment analysis
Electrification
  • An empirical analysis was conducted using Beijing as a case study.

    • Main Results:

    • Electrification of OCM is highly feasible, particularly for low-power machinery.
    • Projected reductions in CO, NOx, PM2.5, and VOCs range from 12.2% to 56.4% by 2030.
    • CO2 emissions could decrease by 11.7% to 56.9% through OCM electrification.
    • Small and medium-sized machinery present the most economically viable electrification opportunities.

    Conclusions:

    • Prioritize electrification of forklifts, lifting platforms, and small machinery in high-emission urban zones.
    • Implement policies like carbon taxes, carbon markets, and performance grading to incentivize adoption.
    • Expand high-emission restriction zones and enhance energy infrastructure to support widespread OCM electrification.