Questions tagged [energy]
The ability a physical system has to do work on other physical systems.
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Are water-based electrolyte batteries limited to 1.23 volts per cell at most?
In the popular YouTube channel Veritasium, generally known for rigorous research and not making false claims continuously, there was a video about lithium ion batteries, The Perfect Battery Material ...
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Do all the Li-ion batteries in the world have just enough power to meet peak demand in the U.S.?
From the December 2, 2024 article "Batteries are a missing piece in Illinois’ clean energy transition. Engineers and lawmakers are racing to add them to the power grid." in the Chicago ...
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Does using electricity from the grid in the U.S. result in more greenhouse gas emissions than using propane?
A recent opinion piece, Why the EPA shouldn’t favor school bus electrification, makes the following claim (link in original):
At last check, the average carbon intensity of the U.S. electric grid was ...
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Do the US have enough gas resources to last about 90 years?
In the 2012 State of the Union Address the then president Obama stated:
We have a supply of natural gas that can last America nearly 100 years
Since the speech was done more than 10 year ago, now ...
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Does an “average-sized” power station pay over a quarter billion pounds per day when unable to generate electricity?
Given the war in Ukraine and associated sanctions on Russia and reciprocal withholding of supply, Europe is facing a gas shortage.
The UK imports very little Russian gas, but because of the reduced ...
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Did the USA increase oil imports from Russia after the Ukraine invasion?
According to Zhao Lijian of the Chongyang Institute for Financial Studies at Renmin University of China (RDCY)
[...] Russian Security Council Deputy Secretary Mikhail Popov said, in a contrasting ...
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Is it true that there is not enough electricity to power all vehicles in the United States if they were electric?
According to Scotty Kilmer, in his video, "The Truth About My Worsening Condition":
There is not enough electricity [currently] to charge the batteries of cars like Tesla that have lithium ...
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Did researchers create a graphene device that drew "free" power from the ionic thermal motion?
A 2012 pre-print, Self-Charged Graphene Battery Harvests Electricity from Thermal Energy of the Environment claims that a graphene device was used to generate a voltage of 0.35V by capturing some of ...
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At the current rate are we going run out of fossil fuels by 2060?
British energy company Octopus Energy claims on their blog:
If we keep burning fossil fuels at our current rate, it is generally estimated that all our fossil fuels will be depleted by 2060.
This ...
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Does the Federal Energy Regulatory Commission require weatherized pipelines and equipment (but Texas's doesn't)?
The Houston Chornicle writes:
Texas has the only American electricity grid with no rules for resiliency. Instead, the GOP majority argued that a system that pays higher prices when demand goes up ...
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Will renewable energy strategies generate a net increase in jobs?
In the battle against climate change we often hear that new renewable energy programs will generate a large number of new jobs. At the recent Paris Climate summit Boris Johnson said that a green ...
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Does streaming a video to smartphone consume 1000W of electricity?
The German test magazine "Stiftung Warentest" tested video streaming platforms in the magazine 1/2020. As a side note they write on page 35:
Laut Studien der grünen französischen Denkfabrik "The ...
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Neutrino “Solar Panels”: This can't be for real, is it? [duplicate]
I'm having my students research new energy technologies. One of them came across this website:
-Neutrino energy: harnessing the power of cosmic radiation
The website promotes a deeply unlikely ...
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Is the production of nuclear power very expensive? [duplicate]
Reuters recently published the following piece:
Nuclear energy too slow, too expensive to save climate: report
Inside, it says:
The cost of generating solar power ranges from $36 to $44 per ...
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Did the Falkland Islanders only have peat as fuel until the arrival of the Argentine oil companies?
I found this paragraph in the Spanish wikipedia entry about peat.
A group of Falklanders shoveling peat around the 1950s. Peat was the
only form of fuel used in the Falklands until the arrival of
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Are home owners required by law to connect gas in Victoria, Australia?
The One Step Off The Grid website claims that home owners in Victoria are required to connect to the gas network. It does not give an easy way to verify this claim.
Did you know Victoria’s building ...
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Does the Bitcoin network consume as much energy as Denmark?
According to Ars Technica:
One estimate suggests the Bitcoin network consumes as much energy as Denmark.
There are other sources that make similar claims:
Greentech Media claim:
The Bitcoin Energy ...
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Can the US be powered by a 100 miles x 100 miles solar grid? [duplicate]
In this article Elon Musk is quoted to say that the US can be powered by a solar grid shaped as a square (in video he says "a corner of Utah or Nevada") 100 miles x 100 miles big.
“If you wanted to ...
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Does nuclear power cause fewer deaths than other forms of electricity production, accidents included?
There have been several questions related to nuclear power in comparison to other forms of electricity production:
Are there fewer accidental deaths at nuclear power plants than others?
Do coal plants ...
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Does Leonardo DiCaprio fly on private jets?
Does Leonardo DiCaprio fly on private jets?
Example claim: Leonardo DiCaprio flies 8,000 miles in private jet to accept ‘green award'
Oscar-winner Leonardo DiCaprio flew an additional 8,000 miles ...
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Is flying the worst choice of travelling, considering the greenhouse effect and carbon-dioxide emission? [closed]
The communities I live in in Germany keep telling everybody that flying should be avoided by all circumstances, because it has a far bigger ecological footprint than any other mode of transportation. ...
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Are there 14,000 abandoned wind turbines in the USA?
A number of blogs and sites seem to repeat a claim 14,000 ABANDONED WIND TURBINES LITTER THE UNITED STATES, and in particular:
The towering symbols of a fading religion, over 14,000 wind turbines, ...
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Did the town of Woodland, North Carolina, USA reject a solar plant because of cancer and photosynthesis concerns?
The Raonoke Chowan News Herald reported on 8 December 2015 reports that the town of Woodland, North Carolina, USA rejected a solar farm, citing concerns on photosynthesis and cancer:
Jane Mann said ...
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Does sealing electrical outlets reduce heating costs?
I stumbled upon this blog post which claims that installing foam gaskets and plugging your electrical outlets with plugs will reduce your heating costs by reducing air leakage. Is this true?
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Does the amount of land needed to get the USA to zero-carbon electricity correspond to a small area of Texas?
After watching Elon Musk's presentation regarding the Tesla Powerwall, I had a question.
On his diagram of the USA, he claims that a "tiny blue square" on the top of Texas that consists of solar ...
