Energy & the Environment News and Discussions

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caltrek
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Generating Power Where Seawater and River Water Meet
July 21, 2022

Introduction:
(EurekAlert) Scientists have known since the 1950s that it is theoretically possible to generate electricity through the movement of water at the place where seawater and river water meet. This type of technology is called osmotic power generation or blue energy. Though prototypes of this technology have been built, research is still underway to prove that this technology is scalable and reliable.

In a literature review published on May 28 in Nano Research Energy ( https://www.sciopen.com/article/10.265 ... 2.9120008 ), researchers looked at the different types of materials that can be used in osmotic power generation.

“There are several locations on the earth where the seawater and river water are naturally mixed. The seawater contains positively charged ions such as sodium ions and negatively charged ions such as chloride ions. Utilizing electrostatically charged membranes that are selective to one ion species while blocking the other can generate electricity that can power electronic devices or be stored in batteries,” said paper author Javad Safaei, a researcher at the Centre for Clean Energy Technology at the University of Technology Sydney in Sydney, Australia.
Read more here: https://www.eurekalert.org/news-releases/959475
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weatheriscool
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Europe agrees compromise gas curbs as Russia squeezes supply
Source: Reuters

BRUSSELS, July 26 (Reuters) - European Union countries approved a weakened emergency plan to curb their gas demand on Tuesday, after striking compromise deals to limit the cuts for some countries, as they brace for further Russian reductions in supply. Europe faces an increased gas squeeze from Wednesday, when Russian's Gazprom (GAZP.MM) has said it would cut flows through the Nord Stream 1 pipeline to Germany to a fifth of capacity.

With a dozen EU countries already facing reduced Russian supplies, Brussels is urging member states to save gas and store it for winter for fear Russia will completely cut off flows in retaliation for Western sanctions over its war with Ukraine. Energy ministers approved a proposal for all EU countries to voluntarily cut gas use by 15% from August to March.

The cuts could be made binding in a supply emergency, but countries agreed to exempt numerous countries and industries, after some governments had resisted the EU's original proposal to impose a binding 15% cut on every country.German Economy Minister Robert Habeck said the agreement would show Russian President Vladimir Putin that Europe remained united in the face of Moscow's latest gas cuts. "You will not split us," Habeck said. Hungary was the only country that opposed the deal, two EU officials said.

Russia's Gazprom has blamed its latest reduction on needing to halt the operation of a turbine - a reason dismissed by EU energy chief Kadri Simson, who called the move "politically motivated".Russia, which supplied 40% of EU gas before it invaded Ukraine, has said it is a reliable energy supplier. It also says the invasion, begun on Feb. 24, is a "special military operation". The EU deal would exempt from the binding 15% gas cut countries such as Ireland and Malta that are not connected to other EU countries' gas networks.
Read more: https://www.reuters.com/business/energy ... 022-07-26/
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UK energy bills forecast to hit £3,850 as Russia cuts gas supply further
Wed 27 Jul 2022 17.25 BST

British households face being told shortly before Christmas to brace for annual energy bills of £3,850, three times what they were paying at the start of 2022, after Russia further squeezed Europe’s gas supplies.

Consumers were also warned that annual charges of more than £3,500 a year, or £300 a month, could become the norm “well into 2024”.

The grim forecasts came a day after MPs said millions of people would fall into “unmanageable debt” without more government help to pay bills, following a surge in wholesale gas prices to near-record levels.

After Russia cut flows through the Nord Stream 1 pipeline on Wednesday, British wholesale gas for delivery this winter climbed to as high as 535p per therm, while European prices also rose.

The energy-focused management consultancy BFY said the increase meant it now expected October’s price cap – set by the energy regulator Ofgem – to hit £3,420 for the average dual-fuel tariff. Ofgem is expected to lift the cap higher in January, and BFY is forecasting it could reach £3,850.
https://www.theguardian.com/money/2022/ ... e-pipeline
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Europe Energy Prices Keep Soaring as Russia Tightens Supply
Source: Bloomberg
European energy extended a scorching rally as Russia tightened its grip on the region’s supply, further threatening the economy and key markets.

Natural gas increased as much as 14%, and prices are more than 10 times higher than the usual level for this time of the year, as supplies through a key pipeline slumped.

The surge is crippling Europe’s industrial output, driving up household bills and pushing inflation to the highest in decades. It’s also fed through to the power market with German futures rising to unprecedented levels, before easing on Wednesday...


Read more: https://www.bloomberg.com/news/articles ... t-to-slump
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Gas Prices Have Fallen for 50 Straight Days, Approach $4 a Gallon
Source: The Wall Street Journal.

MARKETS * COMMODITIES * GAS MARKETS

Gas Prices Have Fallen for 50 Straight Days, Approach $4 a Gallon

The cost of fuel in the U.S. is easing after hitting record highs in June

By Joseph De Avila and Lauryn Azu
https://twitter.com/jdeavila
joseph.deavila@wsj.com
https://twitter.com/lauryn_azu
Lauryn.Azu@wsj.com
Updated Aug. 3, 2022 9:50 am ET

U.S. gas prices have fallen for seven straight weeks and are approaching an average price of $4 a gallon, easing the pain of record-high fuel costs amid shrinking global demand for oil.

The average cost of a gallon of regular unleaded gasoline sank to $4.16 Wednesday, the 50th straight day that prices have declined, according to OPIS, an energy-data and analytics provider. That is a 17% decline from the previous high of $5.02 a gallon set back on June 14, according to OPIS.

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Read more: https://www.wsj.com/articles/gas-prices ... 6?mod=e2tw
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MythOfProgress
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sucks the truth is age-restricted, but the pursuit of clean energy will always have victims.
R.I.P Ziba.
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That is hilarious that you think that African countries whose corrupt governments do not allow any form of the profit to be passed on to aiding their workers is the fault of clean energy as whole. Your entire outlook is beyond flawed it is quite frankly, embarrassing.

To be clear, these countries have been exploited for their natural resources since human beings began to trade between nations, this has been happening for thousands of years. This has nothing whatsoever to do with clean energy and is an absolutely ancient issue, but to exemplify how stupid this line of thought is, do you think the thousands of children who died in coal mines hundreds of years ago did not suffer for the fuel they extracted?
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That is hilarious that you think that African countries whose corrupt governments do not allow any form of the profit to be passed on to aiding their workers is the fault of clean energy as whole.
lol, where do you think this goes towards? certainly not the fancy laptops and phones we are typing this on? or the electric cars that keep getting promoted day in day out as if they are the solutions to the infrastructure and pollution problems we have nowadays? you can keep fooling yourself this is all for a "better" cause, you can "laugh" it off as much as you'd like, the truth still stands- people are being hurt by this and left worse off because of it, not to mention the fact that these are inherently unsustainable practices.
Your entire outlook is beyond flawed it is quite frankly, embarrassing.
then please demonstrate so, we had a back-and-forth on the other thread, you stopped for some reason.
To be clear, these countries have been exploited for their natural resources since human beings began to trade between nations, this has been happening for thousands of years.
To be clear, are you telling me that colonialism doesn't play a significant factor in the exploitation of these countries and that its effects still don't benefit us today? if so, for someone calling me stupid you don't seem to know your history all that well.
This has nothing whatsoever to do with clean energy and is an absolutely ancient issue, but to exemplify how stupid this line of thought is, do you think the thousands of children who died in coal mines hundreds of years ago did not suffer for the fuel they extracted?
exactly when did i indicate that they didn't suffer? and furthermore are you implying their lives were worth the "progress" we had? because if so, those are some troubling implications.
R.I.P Ziba.
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Oil slides under $90 to fresh six-month lows on demand worries
Source: CNN Business
New York (CNN)The selloff in the oil market gathered momentum Thursday on growing concerns about weakening demand for gasoline. US oil dropped 2.3% to $88.54 a barrel, the weakest settle since February 2. Brent crude, the world benchmark, fell around 3%. A government report released Wednesday unnerved oil traders by revealing an unexpected build in both crude oil and gasoline stockpiles, suggesting demand is cooling off.

Robert Yawger, vice president of energy futures at Mizuho Securities, noted that the weekly Energy Information Administration report showed a decline in refinery usage, rising gasoline inventories and a shrinking amount of gasoline supplied. "I can't stress enough those three things are not supposed to happen in summer," Yawger said. "It implies there is a bad demand situation out there."

The EIA report indicates that Americans are using less gasoline than they were during not just last summer (when prices were lower), but even during the summer of 2020 when Covid-19 was still restraining travel. The four-week moving average of gasoline supplied for the week ending July 29 stood at 8.6 million barrels per day, down about 9% from the same period of 2021 and slightly below the same period of 2020.

the EIA said. Some people stopped driving as much when gasoline surged above $5 a gallon in mid-June. Since then, the national average for regular gas has declined 51 days in a row, dropping to $4.14 a gallon on Thursday, according to AAA. That is down 14 cents in the past week and 67 cents in the past month. Oil prices have tumbled by 28% since their recent closing high of $123.70 on March 8 in the wake of Russia's invasion of Ukraine.
Read more: https://www.cnn.com/2022/08/04/business ... index.html
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