NMVOC Emissions Plummet 75% in 30 Years, Driven by Regulations and Tech
NMVOC emissions, a significant contributor to air pollution, have seen substantial reductions over the past three decades. The decrease in non-methane volatile organic compounds (NMVOCs) has been driven by various factors, including stricter regulations and technological advancements.
From 1990 to 2023, NMVOC emissions were cut by a remarkable 75.3%, plummeting from 3.9 million tons to just under 1 million tons. This significant reduction can be attributed to several key areas:
- Industrial Processes: Emissions from industrial production processes and product applications have decreased by more than 60% since 1990, reaching 0.48 million tons in recent years.
- Road Traffic: Emissions from road traffic have been slashed from 1.5 million tons in 1990 to around 83,500 tons in 2023, a reduction of over 90%. This sector's share of total emissions has also fallen dramatically, from 39% to less than 9%.
- Solvent Applications: NMVOC emissions from solvent applications in industrial processes were more than halved since 1990 due to lower solvent content and the switch to water-based systems.
- Agriculture: Agricultural NMVOC emissions have also decreased, by almost 29%, from around 0.42 million tons in 1990 to 0.30 million tons in 2023.
- Vehicle Evaporation: Despite a nearly 90% reduction in vehicle-related evaporation emissions, their share in road traffic emissions has increased from 13.9% to 30.7%.
- Fuel Distribution: Losses from fuel distribution have also decreased significantly, from 87,800 tons to around 15,800 tons, with their share in NMVOC total emissions falling from around 2.3% to just under 1.6%.
These reductions have been achieved in part due to the Gothenburg Protocol and the NEC Directive (EU 2016/2284), which have set and met targets for NMVOC emission reductions. By 2020, annual emissions were 13% lower than in 2005, and by 2030, they were 28% lower. These achievements demonstrate a commitment to improving air quality and protecting the environment.
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