Changes in fossil fuel combustion over time
Pro Research Analysisby 
Searched over 200M research papers
Historical Trends in Fossil Fuel Combustion and CO2 Emissions
The combustion of fossil fuels—coal, oil, and natural gas—has been a primary driver of carbon dioxide (CO2) emissions since the onset of industrialization. Over time, global CO2 emissions from fossil fuel combustion have shown a nearly continuous increase, with only brief periods of decline, such as the years following the 1973 oil crisis and the early 1980s, when emissions growth slowed significantly due to decreased oil use and economic factors Andres2012Marland1984. Despite efforts in some countries to reduce emissions, the overall global trend has been upward, with emissions now known to within about 10% uncertainty Andres2012Marland1984.
Regional and National Variations in Fossil Fuel Emissions
Within the European Union, the evolution of CO2 emissions from fossil fuel combustion between 1960 and 2018 reveals significant regional differences. Countries like Cyprus, Portugal, Greece, and Spain experienced the highest increases in emissions, while Germany, Luxembourg, Sweden, and the United Kingdom managed to reduce or stabilize their emissions to 1960 levels by 2018. Notably, CO2 emissions from coal decreased in most EU countries, but emissions from gas and oil increased in nearly all member states . This reflects a broader global pattern where some nations have succeeded in reducing emissions, but the overall global total continues to rise .
Shifts in Combustion Practices: From Biomass to Fossil Fuels
As societies industrialize, there is a marked shift from open biomass burning (such as wood and crop residue fires) to contained fossil fuel combustion for energy and industry. Between 1997 and 2010, fossil fuel emissions were, on average, more than three times higher than those from biomass burning. In highly industrialized land covers like croplands and urban areas, fossil fuel emissions vastly outpaced those from biomass, indicating a transition in how humans use combustion for energy . This shift not only impacts atmospheric CO2 but also changes landscape fire regimes, with fewer human-started fires in many regions .
Energy Intensity and Efficiency Improvements
Despite rising emissions, there have been improvements in energy efficiency, particularly in the EU, where energy intensity (energy use per unit of GDP) decreased by 37% between 1990 and 2017. This suggests that economies are becoming more efficient in their energy use, even as total emissions may still rise due to economic growth and increased energy demand .
The Future of Fossil Fuel Use and Emissions
The continued use of fossil fuels is driven by their persistent supply and cost advantages over low-carbon alternatives. Without strong policy interventions to price carbon or invest in clean energy, market forces alone are unlikely to significantly reduce fossil fuel use or emissions in the near future . However, realistic scenarios for phasing out fossil fuels show that a gradual transition can provide both climate and air quality benefits, with reductions in both greenhouse gases and harmful pollutants, and without causing abrupt increases in warming rates .
Conclusion
Over time, fossil fuel combustion has steadily increased, driving up global CO2 emissions despite regional differences and occasional slowdowns. The transition from biomass to fossil fuel combustion has reshaped both atmospheric and landscape dynamics. While energy efficiency has improved, significant reductions in fossil fuel use and emissions will likely require robust policy action and technological innovation. A managed, realistic phase-out of fossil fuels offers the potential for substantial climate and health benefits over the coming decades Paraschiv2020Andres2012Marland1984+3 MORE.
Sources and full results
Most relevant research papers on this topic