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8 votes

Is there no such thing as "pant" in the USA or outside some European countries?

A more general term for this system, with a detailed English wikipedia article, is container deposit. Such programs currently exist in 10 U.S. states (representing about 27% of the total population) ...
LShaver's user avatar
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8 votes

Can I recycle greasy metal in the US?

Scrap metals are not cleaned, they are melted. For steel; Zn, Sn, Pb, and others vaporize or oxidize. The most problematic is Zn as the oxide in the slag can deteriorate the refractory. Aluminum is ...
blacksmith37's user avatar
6 votes
Accepted

Can I recycle greasy metal in the US?

Oh, that's really not a problem. Recycling metal involves pre-processing. They are concerned with contaminants like paint and plating getting into the batch. What they use to remove paint and ...
Harper - Reinstate Monica's user avatar
6 votes

Where can I recycle #81 composite materials?

According to this list on Wikipedia, #81 is paper and plastic composite. When it comes to recycling, you have two options: Go to the website of your county or city recycling agency to see if they ...
LShaver's user avatar
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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 ...
blacksmith37's user avatar
3 votes
Accepted

Understanding the relation between MTCE & MTCO2E

To convert from MTCE to MTCO2E, divide by 12/44 The difference between MTCE and MTCO2E is a function of the number of carbon atoms in each molecule of the greenhouse gases included in the inventory. ...
LShaver's user avatar
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3 votes
Accepted

Are there long-distance water pipelines emanating from the North American Great Lakes region? Why or why not?

I can provide an answer for the first part of the question: No new water diversions out of the Great Lakes region are allowed. Great Lakes water agreement The 2005 Great Lakes–Saint Lawrence River ...
LShaver's user avatar
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3 votes

Why is the per capita CO2 emissions so much higher in Wyoming than in the Northeast?

tl;dr - Comparing Wyoming to, say, New York, the largest source of CO2 emissions in both states is the power sector. Wyoming uses mostly coal for power, which emits more CO2 per kWh generated than any ...
LShaver's user avatar
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2 votes
Accepted

Most energy-efficient way to keep my pipes from freezing without tearing up walls/floor?

Leave the faucet open at a trickle. From Consumer Reports: Let the cold water drip from a faucet served by exposed pipes. Running water through the pipe—even at a trickle—helps prevent pipes from ...
LShaver's user avatar
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2 votes
Accepted

Most efficient cheap heating system for small apartment in the US midwest?

I'll assume for now the earlier answer on indoor heating systems that you linked remains correct, and address two other points. Heat pump efficiency and temperature Engineering toolbox provides a ...
LShaver's user avatar
  • 11.9k
2 votes

If everyone had an 'American carbon footprint', how much would the world's temperatures increase?

If every citizen in the world had an average carbon footprint of 16.1 Mg (1 Mg = 1 metric ton) per year, the global average temperature would likely rise more than 6.0º C by 2050. However, there are ...
Nic's user avatar
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2 votes
Accepted

Embodied energy of tap water

Check the TRM for recent, state-specific data Illinois (and probably other states) now requires energy efficiency programs to estimate the energy impact of water supply and discharge -- in Illinois, ...
LShaver's user avatar
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2 votes
Accepted

Why do the best energy star freezers have higher capacity and lower rated power consumption than the best refrigerators?

Although it seems logical that a refrigerator would be more efficient since it doesn't have to keep things as cold, there are a few different factors affecting real-world performance. Freezers are ...
LShaver's user avatar
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2 votes
Accepted

Where in the US water system does most chilling occur?

Nutshell answer: Residential use: nil. Commercial use: Significant. Any reasonably large building has a larger problem getting rid of extra heat compared to heating. All those lights and photo-...
Sherwood Botsford's user avatar
2 votes

Where can I recycle #81 composite materials?

Try Terracycle, look on their website as they recycle hard to recycle items and have a mixture of paid for and free schemes.
Paul's user avatar
  • 21
2 votes

Why would the smallness of Alaska's population be a factor in its per-capita energy consumption ranking?

Energy consumption for transport The problem actually is not the small population, but the population density. This is an increasingly specialised society. Small settlements that contain the entire ...
FluidCode's user avatar
  • 151
1 vote

Why would the smallness of Alaska's population be a factor in its per-capita energy consumption ranking?

Considering the quote you posted in your question - "due to its small population, harsh winters, and energy-intensive industries". In addition to harsh winters I'd add lengthy cold periods ...
Fred's user avatar
  • 3,507
1 vote

Are there any distinct situations that an EV is not a good fit for?

They are a non-starter for me. One trip I make is 80 miles ( 160 round trip), much of it in Houston, so chance of getting struck in traffic with need of AC. You will find the AC ( or heat) needs about ...
blacksmith37's user avatar
1 vote

Grid tied inverters that work during power outages

I'd like to find a way to have my array work when I need it most! You'll need to invest in a home battery bank. These batteries are built to simulate grid-like conditions by providing a constant ...
Robotnik's user avatar
  • 1,307
1 vote

How does the cost of wastewater treatment scale?

On an industrial scale, wastewater treatment costs vary on region, labor and desired water quality. Capital costs are the costs forthe physical assets of the project. Capital costsare part of the ...
LazyReader's user avatar
1 vote
Accepted

How to keep my tankless water heater safe in a cold room?

Since the water heater is not on an exterior wall, it is likely that the pipes you mention which do pass through the exterior wall would freeze before pipes inside the heater do. This would cause ...
LShaver's user avatar
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1 vote

Why is the per capita CO2 emissions so much higher in Wyoming than in the Northeast?

Good answer elsewhere that points out that Wyoming generates and exports a lot of coal source power, which badly skews the data. But let's just look at the more general question: Why does a Wyoming ...
Sherwood Botsford's user avatar
1 vote

Options to suggest to landlord for cost savings via renewable energy?

You asked this question a while ago so not sure if you still need an answer, but I used to live in Silver Spring, MD, so the question caught my eye. If you're in Montgomery County or Prince George's, ...
LShaver's user avatar
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