Most of the combustion products from gas are ‘clean’ - water and CO2. They don’t contribute to particulate air pollution.
CO and NOx are output in much smaller quantities, and are contributors to air pollution, but not to particulate air pollution.
From the tailpipe, the only real particulate matter is a very small amount of soot, and this is a small fraction of the overall combusted mass - engines are designed to minimize soot in order to increase performance and fuel efficiency.
Tires and break pads, in contrast, simply abrade into the air essentially in their entirety.
Most of the combustion products from gas are ‘clean’ - water and CO2. They don’t contribute to particulate air pollution.
CO and NOx are output in much smaller quantities, and are contributors to air pollution, but not to particulate air pollution.
From the tailpipe, the only real particulate matter is a very small amount of soot, and this is a small fraction of the overall combusted mass - engines are designed to minimize soot in order to increase performance and fuel efficiency.
Tires and break pads, in contrast, simply abrade into the air essentially in their entirety.
Yea totally, that’s why I suggested the rewrite that I did. It seems a bit nuts to exclude CO2 from the phrase:
… when CO2 emissions are like ending life on earth as we know it.