Originally Posted by
MrCjolsen
Your "intake" while riding your bike is a few feet higher than that of a car. Also, most of the time a cyclist is not directly behind pollution spewing vehicles, but rather off to the side.
Pollutants settle inside the cage and are carried with it long after they stopped entering the vehicle. So the air inside a car is often dirtier than the air outside.
Effictive Cycling expect you to stay behind the pollution spewing vehicles! Remember, lane splitting is wrong and the good cyclist waits behind the long line of cars no matter how bad the polution. After all, we all want the motorist to repect us by breathing in the same polution!