Originally Posted by
subgrade
Ah ok, if you factor in the journey time, it makes sense. Still that works only with congested traffic where bicycle is the fatest vehicle. If the journey times don't differ much, the results would be very different.
I don't think it's as simple as that, though. I think a lot of the issue with cars is that the air intakes are nicely positioned to draw in air from the exhaust of the vehicle in front. There's also the fact that cyclists 'air intakes' are situated higher up and so are further out of the low-lying smog. Either way, it makes me happy to think that my commute is so much healthier on so many levels than the sheep in their Chelsea tractors, as well as being so much cheaper.