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Story summary
- Satellite data show a 23.8% drop in fine particulate matter (PM2.5) across 150 Chinese cities after the adoption of new-energy vehicles.
- Researchers estimate that the shift to electric, plug-in hybrid and hydrogen vehicles prevented about 262,000 premature deaths by 2023.
- Carbon monoxide concentrations fell 30.7% while nitrogen dioxide changed little, indicating heavy-duty diesel trucks remain a major source.
