Very true many countries in Europe has shifted to diesels due to lower co2 but they make the air dirty. Dirty air is bad for asthmatics. Hybrid gasoline/biogas

Very true many countries in Europe has shifted to diesels due to lower co2 but they make the air dirty. Dirty air is bad for asthmatics. Hybrid gasoline/biogas can be as co2 efficient as diesel if not more with a lot cleaner tail pipe air. Almost zero local emission with 10kw batteries and upwards.