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So what? You can try and clean up both. Particulate is not the only pollutant either. NOx and ozone are also emitted from diesel cars.
by stephen999 5y ago
So what? You can try and clean up both. Particulate is not the only pollutant either. NOx and ozone are also emitted from diesel cars.
- erosenbe0 5y agoAgree, just saying vehicle emissions are part of the picture and more work needs to be done on air quality.