How "green" is biking to work?

[QUOTE=beowulff]
Some sources quote 5lbs corn/lb of meat.
This says a meat-fueled cyclist is equal to 31MPG, so still better than most SUVs.
[/QUOTE]

I am REALLY skeptical about that number. They simply say “one study”, without any kind of cite. I suspect the study was simply comparing the raw calories, without any consideration to the numerous other factor that make cycling far (i.e. many orders of magnitude) more effcient than driving.

[QUOTE=griffin1977]
I am REALLY skeptical about that number. They simply say “one study”, without any kind of cite. I suspect the study was simply comparing the raw calories, without any consideration to the numerous other factor that make cycling far (i.e. many orders of magnitude) more effcient than driving.
[/QUOTE]

Probably true, but even if it’s a worst-case scenerio, it was good enough to convince mr. jp.