It's not toxic in an acute sense, but it's equivalent to cigarette smoke and chronically terrible for you (I love smoking and diesel, btw). Both are low T impar

It's not toxic in an acute sense, but it's equivalent to cigarette smoke and chronically terrible for you (I love smoking and diesel, btw). Both are low T impartially combusted complex hydrocarbons that generate a stew of different nanoparticles and reactive species. It's terrible stuff! You can argue that it's benign in the middle of nowhere, where the concentration drops to nothing quickly. But not in the city!