The health dangers of breathing gasoline/diesel vehicle exhaust fumes are certainly as well known, and at least as risky. Yet the 'right' to drive a car or a se

The health dangers of breathing gasoline/diesel vehicle exhaust fumes are certainly as well known, and at least as risky. Yet the 'right' to drive a car or a semi seems to be invincible against this fact. When I was approached by people gathering signatures for anti-smoking measures, I always asked how they arrived at the location. Invariably they did not walk or bicycle to it. Always shrugged off, because not their problem.