7
votes
Propane vs. natural gas stove - indoor air quality?
Combustion of either propane or natural gas can create dangerous conditions for indoor air quality without adequate ventilation.
Propane is a hydrocarbon that ideally consists of length-3 carbon ...
- 2,789
6
votes
Accepted
Why aren't all nuclear plants running at their full installed power to decrease emissions?
TL;dr -- it's most economical to operate nuclear plants at a fixed output level, so other fuels are used to adjust for variations in demand. Nuclear output at any given time is limited by outages, ...
- 11.7k
4
votes
Accepted
Are oil and natural gas inherently linked?
tl;dr: Oil wells produce some natural gas, and natural gas wells produce some oil, but natural gas wells tend to be more "specialized," meaning that as their quantity and productivity increases, the ...
- 11.7k
4
votes
How much gas does it take to heat water from 15 to 60 degrees C?
The amount of energy needed
From EnergyNumber's answer to the electricity version of this question:
...the energy needed is 180,000 x 45 x 4.2 = 34 MJ
1kWh = 1000W x 3600s = 3.6 MJ
Hence,...
- 11.7k
4
votes
better to heat house with gas or with electricity?
If you have access to electricity that comes from renewable sources (sun, wind, hydro, waves, biofuel) or from nuclear, then I would recommend getting a heat pump. Simply said a heat pump takes energy ...
3
votes
Will natural gas or propane generators also run off of methane?
Natural gas is just really, really old biogas
The terms "natural gas" and "biogas" both describe a mix of gaseous hydrocarbons primarily composed of methane; the different names depend on the origin. ...
- 11.7k
3
votes
How much methane is leaked for each kWh delivered to my home?
I don't have any data for your area but this research from the University of Oxford suggests leakage of 0.39Mt of methane annually from gas mains in the UK. (By way of comparison, agriculture produces ...
- 377
3
votes
Accepted
Is the natural gas sold to other countries by Russia produced in a more environmentally detrimental way than the natural gas sold by the US? How? Why?
Generally, yes; but difficult to quantify. Environment and safety have lower priorities in Russia ( and other countries) than in the west.As an example I remember touring a Russian steel mill with no ...
- 540
3
votes
Accepted
Can Siberia's greenhouse gas be harvested?
Extracting natural gas from pingos is likely not cost-effective.
From the article cited in the question:
A count of 7,000 pingos, alternative included, was likely an
underestimate, in Romanovsky’...
- 11.7k
3
votes
How is Natural Gas more sustainable as fuel than Gasoline?
A late-breaking development in this debate is recent data on leakage in natural gas production and distribution systems.
A group of researchers from universities, laboratories, and government labs ...
- 11.7k
2
votes
Should I use my wood fireplace?
Be careful with wood fireplaces — most emit A LOT of very bad particulate matter!
Burning wood in a common type of stove may result in more particulate matter than a diesel truck and may carry more ...
- 2,476
2
votes
Types and quantities of air pollutants by fuel, per kWh, for electricity generation?
I found this interesting research paper that answers some of your questions, at least for US power plants. For people who don't like to read research papers, there's an easier-to-read summary in this ...
- 14.4k
2
votes
Is the cost of non-fossil fuel LCOE misleading?
There are multiple ways in which natural gas is extracted. One is as a by-product of oil extraction so in that sense you could regard it as a 'free' extra. However you still need to process and ...
- 14.4k
2
votes
Accepted
Water heater vs stovetop: most efficient way to heat water using natural gas?
Stovetop vs water heater efficiency
A gas stove-top is about 44% efficient (source), and a modern natural gas water heater with a tank is up to 67% efficient (source (pdf)).
Basic formula
From this ...
- 11.7k
2
votes
Which countries, regions, or cities have banned natural gas in new construction?
In the Netherlands gas boilers have been banned in new construction since 2018.
In the UK and Austria gas boilers will be banned in new construction from 2025.
- 363
1
vote
Which countries, regions, or cities have banned natural gas in new construction?
Almost certainly Aotearoa will phase in a ban from 2025. Currently a draft plan but likely to go ahead:
https://www.stuff.co.nz/business/green-business/124127933/choosing-gas-for-new-homes-could-be-...
- 3,856
1
vote
better to heat house with gas or with electricity?
Unless you have your own or community biogas reactor then gas is not a renewable resource.
Since the 1970s, China has been promoting the use of underground, individual household scale, anaerobic ...
- 698
1
vote
Which countries, regions, or cities have banned natural gas in new construction?
In the United States
Many cities in the U.S. state of California
The Sierra Club has a list of 42 cities in California that have implemented some form of ban on natural gas in new construction. The ...
1
vote
Accepted
Should I turn off my Gas Water Heater if I will be gone for 3 days?
At any given thermostat setting, for any given amount of time, it will be more efficient for your gas water heater to be turned off than to be turned on.
As described by Newton's law of cooling, the ...
- 1,594
1
vote
What's the current price of power to gas fuel?
I've been curious about power to gas technology.
I've been curious about it too.
Do we know given the energy prices of solar or wind power, what the price/unit of the generated natural gas is ...
- 4,302
1
vote
How much does the methane content of natural gas vary, and what is the impact?
If your transmission system is losing a lot of methane to the atmosphere, you've got more immediate concerns, and it should all be burnt at point of use, giving CO2 and water vapour. Small leaks do ...
- 2,067
1
vote
How much does the methane content of natural gas vary, and what is the impact?
Apparently Wiki is sort of wrong. True for gas at a well head . But most gas in transmission lines delivered to customers is methane and a trace of air. The ethane ( 2 carbons) and higher carbons are ...
- 540
1
vote
How much does the methane content of natural gas vary, and what is the impact?
Content is typically very high percentage methane. First stage processing removes propane, butane etc because they tend to liquefy at the pressures used in the pipelines. Then they collect in the ...
- 7,127
1
vote
Are oil and natural gas inherently linked?
Geologically and by origin, yes, they are linked. Politically they've started to split. Its use is much less detrimental environmentally than oil or coal - it burns clean and is nontoxic. And it was ...
1
vote
Are oil and natural gas inherently linked?
Simpler answer: In the context of the question, gas and oil are two names for the same thing, hydrocarbons. Whether a hydrocarbon is a gas or liquid depends on the temperature. Methane "natural gas" (...
- 540
1
vote
Are oil and natural gas inherently linked?
They are inherently linked. Every oil well produces some gas. A few gas wells produce only methane and ethane but a majority also produce some propane, butane, and heavier hydrocarbons. It depends on ...
- 540
1
vote
Life cycle analysis comparing natural gas and propane prior to combustion?
In addition to the excellent answer by @LShaver, other things to consider are:
Delivery of gas to the premises
My experience is that there is only one reticulated gas main in residential areas and ...
- 3,417
1
vote
Life cycle analysis comparing natural gas and propane prior to combustion?
According to Wikipedia:
Propane is produced as a by-product of two other processes, natural gas processing and petroleum refining.
The amount from petroleum refining is minimal. The U.S. Energy ...
- 11.7k
1
vote
better to heat house with gas or with electricity?
If you have access to enough green electricity to heat your home (and you will need a lot) then electric will be better. If you're grid connected then almost certainly gas (possibly even wood, ...
- 111
1
vote
Water heater vs stovetop: most efficient way to heat water using natural gas?
Any water heater built in the last 10 years will be significantly more energy efficient than your stove. At the same time you might want to consider a number of other variables if you are really into ...
- 11
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