71–80 of 140 posts
These reports are inferring a lot from 1 year trends that are often changing only around 1%. Certainly it is great if new energy is coming mostly from cleaner sources, but the idea that we are actually getting rid of the non clean sources is something we should be skeptical of. This graph shows all energy usage over time: https://ourworldindata.org/grapher/global-primary-energy New energy sources have always been add…
While your statement is true your graph is misleading for two reasons. 1) comparison of spent energy for fossil fuels vs electricity is not a good way to do it because electric motors use less for the same output. Compare kWh per 100km for an ICE car and EV. Electrification will lead to a drop simply because of this 2) the graph is global, we have seen energy consumption go down in the developed world. E.g. the EU no…
Yes but there are losses in generating electricity, and in transmitting it as well. If you only measure from energy in your car's battery to motion you're right, but I don't think that's a useful measure.
It is basically at the bottom, above only "biofuels" as a source of energy.
But the derivative with respect to time of solar was higher over a one year period.
Earlier quoted context omitted.
What about nuclear?
Fuel was created by the explosion of supernovae, still solar but not our sun.
When people say "solar energy", they are usually referring to first order solar energy, directly from photons, not second or third order solar energy after it has been trapped into other sources of potential energy.
These reports are inferring a lot from 1 year trends that are often changing only around 1%. Certainly it is great if new energy is coming mostly from cleaner sources, but the idea that we are actually getting rid of the non clean sources is something we should be skeptical of. This graph shows all energy usage over time: https://ourworldindata.org/grapher/global-primary-energy New energy sources have always been add…
Very misleading title: it should be "Solar leads global energy growth for the first time". Still good news, but a long, long way from solar becoming the world's primary source of energy.
Should it be ‘solar leading energy subsidy growth’.
Plus, add the entire defense budget of US + western countries, which only exists to protect oil interests.
These reports are inferring a lot from 1 year trends that are often changing only around 1%. Certainly it is great if new energy is coming mostly from cleaner sources, but the idea that we are actually getting rid of the non clean sources is something we should be skeptical of. This graph shows all energy usage over time: https://ourworldindata.org/grapher/global-primary-energy New energy sources have always been add…
While your statement is true your graph is misleading for two reasons. 1) comparison of spent energy for fossil fuels vs electricity is not a good way to do it because electric motors use less for the same output. Compare kWh per 100km for an ICE car and EV. Electrification will lead to a drop simply because of this 2) the graph is global, we have seen energy consumption go down in the developed world. E.g. the EU no…
Take a look Graph of energy consumption of China which is about double the US: https://ourworldindata.org/profile/energy/china
The energy consumption of the United States has flat lined: https://ourworldindata.org/profile/energy/united-states
One can argue that the US and Europe have maintained a low energy consumption by de-indusrializing and having China produce all the energy (largely with coal!) to manufacture their goods instead of manufacturing it themselves.
1) Is a lot more complicated as well. A simple ICE vs EV comparison ignores electric grid generation efficiency and transmission losses as well as the massive energy cost of manufacturing the battery.
Earlier quoted context omitted.
While your statement is true your graph is misleading for two reasons. 1) comparison of spent energy for fossil fuels vs electricity is not a good way to do it because electric motors use less for the same output. Compare kWh per 100km for an ICE car and EV. Electrification will lead to a drop simply because of this 2) the graph is global, we have seen energy consumption go down in the developed world. E.g. the EU no…
I think 2) is a lot more complicated to the point statements like that are misleading. Take a look Graph of energy consumption of China which is about double the US: https://ourworldindata.org/profile/energy/china The energy consumption of the United States has flat lined: https://ourworldindata.org/profile/energy/united-states One can argue that the US and Europe have maintained a low energy consumption by de-indusr…
Does it take into account the "massive energy cost" of manufacturing the ICE vehicle then?
Earlier quoted context omitted.
While your statement is true your graph is misleading for two reasons. 1) comparison of spent energy for fossil fuels vs electricity is not a good way to do it because electric motors use less for the same output. Compare kWh per 100km for an ICE car and EV. Electrification will lead to a drop simply because of this 2) the graph is global, we have seen energy consumption go down in the developed world. E.g. the EU no…
> comparison of spent energy for fossil fuels vs electricity is not a good way to do it because electric motors use less for the same output. Compare kWh per 100km for an ICE car and EV. Electrification will lead to a drop simply because of this Yes but there are losses in generating electricity, and in transmitting it as well. If you only measure from energy in your car's battery to motion you're right, but I don't…