Diesels fitted with DPF’s are more harmful than those without?!?
https://airqualitynews.com/2019/04/12/filtered-diesel-exhausts-may-worsen-allergies-study-finds/ Have a read of this article, and be prepared to be shocked like I was. In a nutshell, a research report published by the American Thoracic Society shows that people suffering from pre-existing respiratory conditions suffer more from exhaust fumes emitted from diesel vehicles fitted with Diesel Particulate Filters (DPF's) than those without. I find this truly remarkable as DPF's are mandatory for all diesel cars…