Comment on The Energy Cost of Electric and Human-Powered Bicycles (2004) [pdf]Comments−frankus7yBottom line is that bikes are efficient because they’re slow and light, not necessarily because they’re human powered.In both cases the energy use is lower than lots of things that we don’t think of in terms of energy.By way of comparison, a hot shower used about 300 Wh (a full charge on a smallish ebike battery) every minute.−agumonkey7yLong ago I measured how much water I needed too. Two steps: - soaping: 1 glass of cold water - cleaning: 1 glass of cold water head to toe−sunstone7yFrugliness is next to Godliness.
Comments
Bottom line is that bikes are efficient because they’re slow and light, not necessarily because they’re human powered.
In both cases the energy use is lower than lots of things that we don’t think of in terms of energy.
By way of comparison, a hot shower used about 300 Wh (a full charge on a smallish ebike battery) every minute.
Long ago I measured how much water I needed too. Two steps:
head to toeFrugliness is next to Godliness.