That conveniently ignores the non-tailpipe emissions, for example dust from tires and brake pads. I also suspect that it's only true in the lab, I have the plea

That conveniently ignores the non-tailpipe emissions, for example dust from tires and brake pads. I also suspect that it's only true in the lab, I have the pleasure of cycling through many clouds of noxious soot from supposedly modern cars whose owners just happen to press the throttle harder than what the NEDC requires.