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Emisiones de CO2 del transporte por carretera y crecimiento económico: desacoplamiento por región del mundo

Author

Listed:
  • Romero, Yennifer Díaz
  • yenniferdr07@ms.uas.edu.mx
  • Diaz Herrera, Yeimys Judith
  • ydiazh1@unicartagena.edu.co

Abstract

Introduction: Road transport is one of the largest sources of energy-related CO2, and the degree to which its emissions have decoupled from economic growth is uneven across regions. Methods: An ecological longitudinal study aggregated 187 economies into seven World Bank regions for 2013-2023, combining JRC EDGAR IEA-EDGAR road transport CO2 (IPCC 2006 sector 1.A.3.b) with World Bank GDP at constant 2015 US dollars and applying the Tapio decoupling elasticity. Results: World road transport CO2 rose from 5,482.8 to 6,100.1 Mt (11.3%) while GDP grew 32.1%, an elasticity of 0.35 and weak decoupling. No region achieved absolute decoupling; elasticity ranged from 0.03 in North America to 0.76 in Sub-Saharan Africa. Per capita, global CO2 changed 0.2% against 19.0% GDP growth, an elasticity of 0.01, with three regions in per capita absolute decoupling. Sub-period elasticities were 0.51, 3.55 and 0.95. Conclusions: Road transport CO2 decoupled only relatively from economic growth between 2013 and 2023, with no region reaching absolute decoupling, and the pandemic interruption did not reverse the underlying coupling.

Suggested Citation

  • Romero, Yennifer Díaz & yenniferdr07@ms.uas.edu.mx & Diaz Herrera, Yeimys Judith & ydiazh1@unicartagena.edu.co, 2025. "Emisiones de CO2 del transporte por carretera y crecimiento económico: desacoplamiento por región del mundo," SAP Transport, Mobility & Society, South American Publishing.
    • Handle: RePEc:cwf:tmsart:tms2025221
    DOI: 10.62486/tms2025221
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