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Energy efficiency of active travel (walking, cycling, ebike) compared to an electric car
(slrpnk.net)
cross-posted from: https://slrpnk.net/post/7273195
this post was submitted on 04 Mar 2024
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My point is that measuring energy use from exercise isn't very meaningful since energy use by animals is so complicated. It seems wrong to say that exercising more increases your carbon footprint.
Maybe studies that meaure the effects long term energy in response to increased exercise. But either way, some amount of exercise is necessary for human health. Biking to work instead of running on a treadmill is clearly carbon negative. Or maybe people biking to work will cause them to get a wasteful biking hobby where they buy a new carbon fiber bike every year.
I see.
Well, I think that the take away message here is that, on average, the energy required for a person to ride their bike (ebike or entirely human powered) to work is so small that the signal gets lost in the noise of normal human metabolism, especially if we take peoples' exercise routines into account.
On the other hand, driving to work has a large, easily quantifiable energy requirement. It is very obviously costly and unsustainable.