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real-human



Joined: 02 Jul 2011
Posts: 14838
Location: on earth

PostPosted: Wed Mar 09, 2022 11:04 am    Post subject: Reply with quote

in time of a war with potential nuclear destruction, right now have read risk assessment is at least 10% of total world destruction. well in times like this we see the oil industry put profits with escalating prices about the safety of the world. They would rather escalate issues in politics in the usa to harm democrats than save the nation and world.

Time for massive windfall profit taxes on oil companies for putting us into further risk of mankind. They are just too powerful in the USA and world.


https://finance.yahoo.com/news/biden-administration-misusing-facts-oil-203140624.html


Biden Administration Is ‘Misusing Facts’ on Oil Permits, API Says


Quote:
(Bloomberg) -- The head of the biggest U.S. oil lobby groups said the Biden administration is “misusing facts” when it claims the industry has more than 9,000 federal drilling permits on which it can drill to boost supply and ease soaring energy prices.

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Mike Sommers, the chief executive officer of the American Petroleum Institute, who was in Houston Monday for CERAWeek by S&P Global, said the industry is using a higher percentage of federal onshore and offshore leases than at any time in the past, and it’s continuing to increase production to meet surging demand.

The Biden administration has repeatedly pointed to the number of approved but untapped drilling permits on federal land when questioned about how U.S. production can rise, and what the federal government can do to help.

“There’s a fundamental misunderstanding of the administration as to how the process actually works,” Sommers said in an interview on the sidelines of the conference.

“Just because you have a lease doesn’t mean there’s actually oil and gas in that lease, and there has to be a lot of development that occurs between the leasing and then ultimately permitting for that acreage to be productive,” he said. “I think that they’re purposefully misusing the facts here to advantage their position.”

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real-human



Joined: 02 Jul 2011
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PostPosted: Sat Mar 12, 2022 4:22 pm    Post subject: Reply with quote

https://www.theguardian.com/business/2021/dec/06/oil-companies-profits-exxon-chevron-shell-exclusive

oil company profits only 174 billion dollars...

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mac



Joined: 07 Mar 1999
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PostPosted: Fri Apr 29, 2022 5:49 pm    Post subject: Reply with quote

Once a company starts lying, there is no reason to stop.

Quote:
California Attorney General Rob Bonta subpoenaed Exxon Mobil Corp. in what he called a "first-of-its kind investigation" regarding the fossil fuel industry's alleged role in worsening plastics pollution. The attorney general's office did not mention which other companies are being investigated in the probe. (CNBC)
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real-human



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PostPosted: Wed Jun 15, 2022 2:29 pm    Post subject: Reply with quote

https://www.msnbc.com/rachel-maddow-show/maddowblog/marsha-blackburn-doubles-weird-theory-gas-prices-rcna33718?cid=eml_mra_20220615&user_email=e73377d3e40790eecbf6a99203e1476ea2a23c644c2045abd739b8f9e629a73b


Marsha Blackburn doubles down on a weird theory about gas prices


Quote:
Sen. Marsha Blackburn has been known to embrace some odd conspiracy theories, but late last week, the Tennessee Republican broke some new ground. Blackburn released a video claiming, in all seriousness, that high gas prices are the result of a deliberate Democratic scheme.

“Well, the Democrats have been trying to get $5-a-gallon gas for well over a decade — and it looks like they have now hit their target,” the senator insisted. “They feel like this helps them, moving to all electric vehicles, forcing you out of a gas-powered vehicle and into an electric vehicle.”

On Monday, I took note of how deeply odd this was, and evidently, Blackburn noticed. Yesterday, in a tweet responding to me, the GOP lawmaker doubled down on her conspiracy theory.

“Joe Biden’s policies have caused gas to reach over $5 a gallon. Now Biden is using his energy crisis as an excuse to implement his radical Green New Deal. This is not a coincidence. It’s intentional.”

As much as I appreciate the dialog, Blackburn isn’t helping her strange case.

Before we delve into the details, it’s worth pausing to note that no U.S. president, regardless of party or ideology, has direct control over what American consumers pay at the pump. It wasn’t George W. Bush’s fault in the summer of 2008, when gas prices were quite a bit higher in inflation adjusted terms than they are now, and it’s not President Biden’s fault now.

While we’re at it, let’s also not brush past the fact that a little common sense goes a long way: The Democratic incumbent’s approval rating is far from great, and critically important midterm elections are quickly approaching. The idea that Biden would “intentionally” do something wildly unpopular, without any related benefit, seems absurd because it is absurd.

But the substantive details are just as important. To hear Blackburn tell it, Biden has taken ownership of, and begun implementing, the Green New Deal. That hasn’t happened in reality.

Similarly, Blackburn has argued that Democrats have quietly hatched a scheme to force consumers to buy electric vehicles. That still doesn’t make sense: There isn’t currently enough supply of electric vehicles to meet such demand, even if it existed.

But perhaps most important is the degree to which Blackburn has this entire story backwards: As we discussed the other day, if the Biden administration wanted high gas prices, it would be doing pretty much the opposite of what it’s been doing.


Steve Rattner: Washington can do little to bring down rising gas price
JUNE 8, 202207:27
Indeed, while the right likes to pretend that the Democratic White House has killed domestic energy production as part of a war on fossil fuels, Team Biden has done largely the opposite. As a Vox report recently explained, “Biden has done nothing to halt oil leasing. In fact, the Biden administration has outpaced Trump in issuing drilling permits on public lands and water in its first year, according to federal data analyzed by the Center for Biological Diversity.”

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Overall, U.S. energy production is going up, not down, under Biden.

What’s more, Blackburn’s conspiracy theory isn’t just wrong, it’s also poorly timed: CNBC reported this morning on Biden issuing a new call to U.S. oil refining companies, pushing them to produce more in order to help alleviate prices.

“At a time of war — historically high refinery profit margins being passed directly onto American families are not acceptable,” the president said in a letter to oil companies today. ″[C]ompanies must take immediate actions to increase the supply of gasoline, diesel, and other refined product,” the letter added.

The Democrat added that he’s considering invoking emergency powers to boost output.

Blackburn would apparently have people believe that all of this is just an extraordinarily elaborate ruse. By any fair measure, that’s an unserious approach to a serious issue.

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real-human



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PostPosted: Thu Jul 21, 2022 9:11 am    Post subject: Reply with quote

https://newatlas.com/energy/solar-jet-fuel-tower/?utm_source=New+Atlas+Subscribers&utm_campaign=2e7e3cc58b-EMAIL_CAMPAIGN_2022_07_21_08_11&utm_medium=email&utm_term=0_65b67362bd-2e7e3cc58b-90245106


All-in-one solar tower produces jet fuel from CO2, water and sunlight


Quote:
Taking carbon dioxide, water and sunlight as its only inputs, this solar thermal tower in Spain produces carbon-neutral, sustainable versions of diesel and jet fuel. Built and tested by researchers at ETH Zurich, it's a promising clean fuel project.


Why do we need sustainable aviation fuel (SAF)?
Fossil fuels can be replaced with batteries or hydrogen in cars and trucks – but aircraft are trickier. With more than 25,000 commercial airliners in service today, and service lifetimes around 25 years, airlines are looking to carbon-neutral fuels to bring down their emissions. It's a transitional step, but an important one until clean aviation tech is ready and the entire global fleet can be converted to something else.

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Carbon-neutral fuels are drop-in replacements for today's kerosene Jet-A fuel; they mix in with regular fuel and get burned in jet engines as per normal, producing the normal amount of carbon emissions. The difference is that rather than pulling that carbon straight out of the ground, carbon-neutral fuels grab CO2 from elsewhere; it'll still end up in the atmosphere, but at least it does some useful work before it gets there, and every gallon burned is a gallon of conventional fuel that wasn't burned.

How is SAF currently made?
There are a lot of ways to make carbon-neutral fuels – and not all of those are acceptable for other reasons. Biofuels grown from specially raised corn crops, for example, create their own emissions, from fertilizers and farm equipment, and they use land that could otherwise be producing food. Chopping down forests and using the wood as biomass is also out, for reasons that should be obvious, but the fact that there are rules in place around this suggests that even in the sustainability game, there are still bad-faith operators.




Landfill waste-to-jet-fuel plants are popping up here and there, taking municipal garbage or old cooking oil and using that as a feedstock to create syngas, which can be refined into synthetic fuels. But the pyrolysis process usually involved requires a lot of energy – either dirty energy or clean energy that could be used elsewhere – and the feedstock is so wildly random that the resulting fuels sometimes need an extra, energy-intensive cleaning step before they're ready to go save the planet in a Dreamliner.

Another way is to capture carbon directly from other emissions sources, and convert that into fuel. This can be done by using green electricity to power an electrolyzer, then mixing the resulting hydrogen with carbon monoxide to create syngas, which can then be refined into fuels – but there are energy losses at each of these steps.

Which brings us to this new, much simpler design out of ETH Zurich, which has been built and tested at the IMDEA Energy Institute in Spain.


The 50-kW pilot reactor, installed in Spain, uses heat from a concentrating solar tower to drive a thermochemical redox cycle
The 50-kW pilot reactor, installed in Spain, uses heat from a concentrating solar tower to drive a thermochemical redox cycleETH Zurich
ETH Zurich's all-in-one carbon-neutral fuel tower
This pilot plant runs on concentrating solar thermal energy. One hundred and sixty-nine sun-tracking reflector panels, each presenting three square meters (~32 sq ft) of surface area, redirect sunlight into a 16-cm (6.3-in) hole in the solar reactor at the top of the 15-m-tall (49-ft) central tower. This reactor receives an average of about 2,500 suns' worth of energy – about 50 kW of solar thermal power.

This heat is used to drive a two-step thermochemical redox cycle. Water and pure carbon dioxide are fed in to a ceria-based redox reaction, which converts them simultaneously into hydrogen and carbon monoxide, or syngas. Because this is all being done in a single chamber, it's possible to tweak the rates of water and CO2 to live-manage the exact composition of the syngas.

This syngas is fed to a Gas-to-Liquid (GtL) unit at the bottom of the tower, which produced a liquid phase containing 16% kerosene and 40% diesel, as well as a wax phase with 7% kerosene and 40% diesel – proving that the ceria-based ceramic solar reactor definitely produced syngas pure enough for conversion into synthetic fuels.

Schematic of the solar reactor for splitting water and carbon dioxide through the ceria-based thermochemical redox cycle
Schematic of the solar reactor for splitting water and carbon dioxide through the ceria-based thermochemical redox cycleETH Zurich

How much fuel does it make?
This is the big question, really, and I'm afraid the research paper doesn't make this information easy to divine. Overall, the researchers ran the system for nine days, running six to eight cycles a day, weather permitting. Each cycle lasted an average of 53 minutes, and the total experimental time was 55 hours. Several cycles had to be stopped due to overheating, when temperatures in the reactor rose past the targeted 1,450 °C (2,642 °F) to a critical temperature of 1,500 °C (2,732 °F).

In total, the experimental pilot plant produced around 5,191 liters (1,371 gal) of syngas over those nine days, but the researchers don't indicate exactly how much kerosene and diesel this became after the syngas was processed, so we can't give a simple figure for this pilot plant's output per day. Even if we could, it might not scale up in a linear fashion.

But to give you a sense of the size of the problem here, a Boeing 787 Dreamliner has a fuel capacity up to 126,372 L (36,384 gal), on which it can fly up to 14,140 km (8,786 miles) – roughly the distance from New York to Ho Chi Minh City. And there are tens of thousands of commercial aircraft out there flying multiple missions per day.

But these things don't necessarily have to replace all the fuel in question – synthetic fuel can be blended with regular fuel in whatever quantities it's available, and every bit helps reduce overall emissions.

Where to from here?
The team says the system's overall efficiency (measured by the energy content of the syngas as a percentage of the total solar energy input) was only around 4% in this implementation, but it sees pathways to getting that up over 20% by recovering and recycling more heat, and altering the structure of the ceria structure.


“We are the first to demonstrate the entire thermochemical process chain from water and CO2 to kerosene in a fully-integrated solar tower system,” said ETH Professor Aldo Steinfeld, the corresponding author of the research paper. “This solar tower fuel plant was operated with a setup relevant to industrial implementation, setting a technological milestone towards the production of sustainable aviation fuels."

"The solar tower fuel plant described here represents a viable pathway to global-scale implementation of solar fuel production," reads the study..

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mac



Joined: 07 Mar 1999
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Location: Berkeley, California

PostPosted: Fri Jan 13, 2023 11:27 am    Post subject: Reply with quote

Gee, what a surprise. Oil company ethics is about as rare as Republican honesty and marmalade wisdom.

Quote:
A study in the journal Science found that while Exxon Mobil Corp. made public statements that casted doubt on the reality of global warming, the company's scientists were not only accurately predicting the phenomenon with more than a dozen different models, they were doing so with better precision than some government and academic scientists. (The Associated Press)
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