Kieran O'Donnell (Limerick City, Fine Gael) | Oireachtas source

They are at 50 km/h. Then the small HGVs are better at 50 km/h. It is very interesting that when one goes down into the lower range, in many cases they are all very highly inefficient. With emissions, if traffic is free-flowing it is fine in many cases when travelling at low kilometres per hour. For example, a small petrol car is far more inefficient doing 20 km/h than 110 km/h, which is ironic. It is very interesting. Am I correct or am I off the pace there?