> If they are now traveling via automobile, I doubt there is a net reduction when taking into account: vehicle injuries and fatalities, air pollution, and of co

> If they are now traveling via automobile, I doubt there is a net reduction when taking into account: vehicle injuries and fatalities, air pollution, and of course, in the long term, anthropogenic climate change. You're not thinking like a Zero-sum American. If you accidentally hit & injure a pedestrian, cyclist, or another driver in your Hummer - better them than you. Best to stick to your Hummer and avoid the bike.