3 ms·
> According to the most recent life cycle analysis, it takes 3,010 to 4,340 megajoules of primary energy to make a laptop 4340 MJ is around 135 litres of gasol
by Tade0 3y ago
> According to the most recent life cycle analysis, it takes 3,010 to 4,340 megajoules of primary energy to make a laptop
4340 MJ is around 135 litres of gasoline in terms of primary energy, or a little less than 36 US gallons.
Commuters blow through this much in 1-2 months, depending on distance.
My point is that if you're concerned about embedded energy, there's a lot of other, lower hanging fruit to pick.
- mahogany 3y agoEnergy usage isn’t the only thing to be concerned about. There are resources that have to be extracted, and non-recyclable waste piling up in huge quantities. Seems like a fine fruit to pick if you consider broader environmental impact. (Also, we can do multiple things at once. Burning an extra 36 gallons of oil if you don’t have to is still bad.)
- Tade0 3y agoI want to agree, but fossil fuels are generally non-recyclable and extracted on a much larger scale. I mean, global production of cobalt - a highly controversial material - is around 200k tonnes. By weight this is approximately 1.6% that of daily oil production - 90mln barrels a day.