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Geothermal energy: Investment needed to develop new tech

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Taylor Swift and Travis Kelce

To go faster and deeper will require advances in drilling technologies.

Companies are developing drilling equipment that is more stable when breaking through hard rock at high temperatures.

Some firms are even aiming to penetrate rock without using standard drills.

Quaise, a company with roots at the Massachusetts Institute of Technology (MIT), is using a technology called millimetre wave drilling. The frequency is similar to that of microwaves.

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Quaise’s application involves “sending electromagnetic waves in the microwave millimetre wave spectrum to essentially melt and vaporise through the rock,” explains Harry Kelso, Quaise’s communications manager.

Traditional geothermal energy clusters around hotspots on the earth’s surface where very hot rocks can be easily accessed.

“Millimetre wave drilling really enables you to access super-hot geothermal just about anywhere in the world,” says Kelso.

While Quaise is planning to use some conventional drilling at the project site it’s developing in Oregon, Kelso says that conventional drills start to break down more quickly when it reaches very hard rock.

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Replacing drill bits increases the cost and time of drilling.

In Quaise’s case, Kelso says, “millimetre wave drilling is really what changes that because we’re not using a physical drill bit.”

Other companies are also working on advanced drilling technology, such as projectiles that move several times faster than the speed of sound.

Another crucial resource in the process is water. While some types of next-generation geothermal could create risks of water contamination or overconsumption, careful design can avoid this problem.

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Initially Quaise’s system requires a lot of water, but according to Kelso, once the water is in the system it is continually circulated over the super-hot rocks.

“We’re essentially just recycling the water over and over,” he says.

Quaise is continuing to raise funds, with the aim of its Oregon project being up and running by 2030.

Like other early versions of geothermal systems, it’s an expensive project to get up and running.

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“The economics are somewhat challenging,” Kelso admits. “Geothermal today is still more expensive because you are not getting as much power out of the well as you would if you were using that well for fossil fuel.”

But Quaise hopes that by targeting very high temperatures, of between 300C and 500C, the economics will improve.

While the higher end of that temperature range is ambitious, it’s a case of the-hotter-the-better.

“It allows you to get 10 times more energy per well from geothermal, which changes the economics and the power potential of geothermal,” according to Kelso.

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‘Sniff test’ being used to monitor town blighted by ‘rotten stink’

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Business Live

Thousands of people have complained about the sulphur-like odour in Calne

Environment Agency officers are monitoring a landfill site in Calne

Environment Agency officers are monitoring a landfill site in Calne(Image: Environment Agency)

A persistent “rotting egg” odour in a Wiltshire town is being monitored using “sniff testing”, the Environment Agency has said. Calne has been plagued by a “stink” from gas escaping from the Hills Waste landfill site at Lower Compton for a year, with local residents reporting breathing difficulties and headaches.

Complaints about the smell have soared in the last week, according to the Environment Agency (EA), which said more than 100 reports were made last weekend.

Last year, the EA confirmed the Lower Compton site was likely to be responsible for the smell and served Hills with an enforcement notice ordering a programme of landfill capping to reduce smells escaping from the site.

It is understood Hills is co-operating fully with the EA and is currently working to change how waste at the site is covered up.

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“We recognise the ongoing impact that odour is having on residents, and we are continuing to prioritise work to address these concerns as quickly as possible,” a statement from the EA said.

“We have been out on site again to ensure Hills are delivering the actions that we have required of them to bring the site back into compliance with its environmental permit. This includes the accelerated permanent capping works.”

The main way the EA is assessing whether Hills is complying is through “sniff testing”, using officers to detect and assess odours with their nose.

“This is required by permit conditions and remains the most effective method, as the human nose can detect the full range of gases responsible for odour at very low levels,” the EA said.

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“It is important to be clear that this type of monitoring is for regulatory compliance purposes and not to directly assess health impacts.”

The EA is also understood to be using a mobile monitoring facility to measure air quality, including to detect methane, hydrogen sulphide – a toxic gas – and particulates.

It is also providing its data to the UK Health Security Agency (UKHSA), which is carrying out its own independent analysis.

Hills Waste, Lower Compton Calne

Hills Waste, Lower Compton Calne(Image: Google Maps)

“We understand that residents have concerns about potential health effects, and we take these concerns seriously,” the EA added.

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“We use sniff testing to assess odour impact and compliance with permit conditions, and we use monitoring data to support this and to inform UKHSA’s independent health assessment.

“Our aim is to ensure that odour is reduced to a level where it is no longer causing unacceptable impact beyond the site boundary.”

A spokesperson for Hills said: “Soil-capping works are ahead of schedule and in line with our landfill action plan as agreed with the Environment Agency.”

‘Health risk likely to be low’

UKHSA is the independent public health body responsible for assessing any potential impacts on human health. They review the monitoring data and determine whether there is any risk to the community.

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In May, the UKHSA told Business Live that with the levels of hydrogen sulphide currently detected around the site, the health risk was “likely to be low”.

Lucy McCann, consultant in health protection at UKHSA South West, said: “ Everyone reacts to odours differently, and some people are more sensitive to environmental odours than others.

“Landfill gas contains hydrogen sulphide, which even in very small quantities produces a strong smell similar to rotten eggs. This gas can seep into the surrounding air and could be noticeable to nearby residents.

“Whether an odour poses a health risk depends on the concentration of a substance in the air, how frequently a person is exposed to it, and how long that exposure lasts.

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“Certain groups may be more sensitive to the effects of environmental odours, including people with respiratory conditions such as asthma or COPD, pregnant women, children and older adults.”

Ms McCann said that odour and health impacts were assessed in different ways.

“The human nose is very sensitive to smell and can detect gases such as this even in very small amounts, well below what would be directly harmful to health.

Some people may experience physical symptoms such as nausea, headaches, or dizziness as a reaction to strong odours, and as concentration levels increase, more people are likely to experience symptoms.”

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Business Live understands that Wiltshire Council Environmental Health team is also monitoring the odour for “statutory nuisance and public health”.

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Aerison Group entities in administration, again

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Aerison Group entities in administration, again

Several Aerison Group entities have been placed in administration, about three years after the current owners acquired the Perth contractor.

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Business

Imunon, Inc. (IMNN) Presents at Life Sciences Virtual Investor Forum – Slideshow

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OneWater Marine Inc. (ONEW) Q1 2026 Earnings Call Transcript

Imunon, Inc. (IMNN) Presents at Life Sciences Virtual Investor Forum – Slideshow

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Why is Samsung Electronics stock plunging today?

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Why is Samsung Electronics stock plunging today?

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Mark Creasy-backed CZR, Zuleika to merge

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Mark Creasy-backed CZR, Zuleika to merge

Famed prospector Mark Creasy-backed CZR Resources and Zuleika Gold are planning to merge under an all-scrip deal valuing the latter at $45 million.

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ETMarkets Smart Talk | As FD rates soften, AAA PSU and corporate bonds are gaining traction: BondScanner CEO

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ETMarkets Smart Talk | As FD rates soften, AAA PSU and corporate bonds are gaining traction: BondScanner CEO
As fixed deposit rates begin to soften following the RBI’s rate-cut cycle, investors are increasingly looking beyond traditional savings instruments in search of better risk-adjusted returns.

According to BondScanner Founder & CEO Nishchay Nath, high-rated PSU and corporate bonds are emerging as attractive alternatives, aided by improving retail access, regulatory reforms and greater transparency.

In this edition of ETMarkets Smart Talk, Nath discusses the growing financialization of fixed income in India, why bonds are gradually becoming a mainstream investment option, and the key factors investors should evaluate before chasing higher yields. Edited Excerpts –

Short positions in G-Secs on cards to improve liquidity
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The Reserve Bank of India has unveiled draft rules allowing participants to take short positions in government securities, aiming to boost market liquidity and price discovery. A detailed framework for trading “when-issued” securities, bonds yet to be officially released, is also introduced. These measures, with specific limits for banks, primary dealers, and others, are open for public feedback until July 17.


Q) As fixed deposit rates moderate, many investors are moving towards bonds and alternative fixed-income products. How do you see the trend taking shape?
A) The shift which is taking place is both real and gradual. After the RBI’s December cut, the repo rate has settled at 5.25%, and the large banks have followed, with most offering high retail FD rates.

Investors who have traditionally parked money in FDs, are slowly discovering that an AAA-rated PSU or a well-rated corporate bond can offer a meaningfully better yield for a comparable risk profile, with the added benefit of locking in today’s rate for a longer tenure.
What has changed structurally is access, as a few years ago this was an institutional conversation but today retail investors can compare yields, ratings and maturities and invest accordingly.
The moderation in FD rates is the trigger and the OBPP framework is what enables people to act on it.
Q) Industry data suggests retail participation on online bond platforms has grown sharply in recent years. Please share numbers. How has your platform grown?

A) According to NITI Aayog, India’s corporate bond market has the potential to exceed ₹ 100-120 trillion by 2030, through deeper structural reforms and institutional capacity building.

The regulatory groundwork has been deliberate, with SEBI cutting the minimum face value from ₹10 lakh to ₹1 lakh in 2022, then bringing down the effective ticket size down to ₹10,000, and formalizing the OBPP framework so retail investors can transact through a regulated, exchange-settled channel.

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At BondScanner, we have seen consistent growth, with investor participation at 80x.

Q) Do you believe India is witnessing the “financialization of fixed income” similar to what happened in equities over the past decade?

A) Drawing that parallel would be accurate but we are still at the very start of the curve. The equity financialization of the last decade has had three major elements: low-friction digital access, a regulatory push, and a behavioural shift where ordinary investors started treating market instruments as everyday savings tools, and SIPs did that for mutual funds.

Fixed income currently has the first two: access is being solved through OBPPs, and SEBI has been steadily lowering barriers and tightening investor protection.

What’s still maturing is investor behaviour – the habit of routinely allocating to bonds the way it is still done to equity SIPs.

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The next few years are going to be about turning bonds from a product which people discover into one that they default to for the stable part of their portfolio.

Q) A common market observation is that the highest yields often signal the highest risks. How should retail investors differentiate between attractive yields and red flags?

A) This is the single most important thing a new bond investor needs to internalize: yield is the market pricing risk, not generosity. If a bond is offering several points more than a comparable-tenure FD, the right reaction isn’t excitement – it’s the question why.

Retail investors must be aware of four critical factors: First, the credit rating, and the rating rationale, as a downgrade trend tells investors more than the letter grade itself.

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Second, whether the bond is secured or unsecured as secured bonds give investors a claim on the issuer’s assets if things go wrong.

Third, the issuer’s cash flows, where a healthy business can comfortably service the coupon, while a stretched one is often borrowing just to stay afloat.

Fourth, liquidity – so that investors have the option to exit before maturity if they need to. A red flag is when an attractive yield collapses, once tested against the second check.

Our job as a platform is to surface rating, yield, maturity, liquidity – transparently, before investors buy, not after.

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(Disclaimer: Recommendations, suggestions, views, and opinions given by experts are their own. These do not represent the views of the Economic Times)

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Is your SIP giving FIIs an easy exit? AMFI CEO says mutual funds will actually lure them back

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Is your SIP giving FIIs an easy exit? AMFI CEO says mutual funds will actually lure them back
Foreign investors have pulled over $60 billion out of Indian equities since October 2024, making it tougher for domestic bulls to make money. Mutual funds, led by SIPs, have absorbed much of the shock, with monthly inflows holding firm close to ₹31,000 crore. Now a pointed debate has broken out: are India’s 6.3 crore retail SIP investors effectively bankrolling FII exits, handing foreign funds a clean escape hatch with domestic money?

When FIIs sell and domestic funds buy, the net effect is a transfer of equity ownership with domestic investors indirectly absorbing institutional exits. Some market participants have framed this as retail investors being left holding the bag while sophisticated foreign money rotates out to hunt for new winners in America, Taiwan and Korea.

In an exclusive interview with ET Markets, Venkat N. Chalasani, CEO of the Association of Mutual Funds in India (AMFI), says that framing gets it exactly backwards.

“Some people say we are providing an easy exit for FIIs but that’s not the case,” Chalasani said. “This proves the maturity of the market, and it will be one of the biggest positive factors attracting FIIs back in a big way. They will be comfortable entering because they know this is a robust market that will also give them the ability to exit when needed.”

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Also Read | Is your mutual fund SIP secretly crushing the Indian rupee? Jefferies explains the bitter side of the story


Chalasani, who spent years in SBI’s treasury, recalls that the Indian market was earlier hostage to FII sentiment precisely because it lacked domestic depth and liquidity. “If you go back 10–20 years, markets were extremely volatile because of external factors like geopolitical tensions, inflationary pressures and interest rate movements elsewhere. FIIs would come in and markets would appreciate; FIIs would exit and markets would collapse. I would check every day what FIIs were going to do — they were the big game changers, precisely because domestic liquidity was insufficient.”
That dynamic has now shifted. Domestic mutual funds, he argues, have replaced volatility with resilience and liquidity and that’s what will ultimately draw FIIs back, not drive them away.“A developed market is the one with liquidity and where large volumes can be handled without a big shake-up in the market. And that’s what domestic institutional investors are providing today, and we should appreciate that,” he explained.

Back in 2024, when the bull market was at its peak, the mutual fund industry was at the receiving end of another criticism that Indian households were shifting their savings away from low-cost bank deposits to higher-yielding mutual funds.

“At that time, we went on record to say that liquidity remains within the banking system regardless. When you and I invest in mutual funds, the money doesn’t leave the banking system — only the form changes. What was a savings bank deposit or fixed deposit now comes back to the bank as a current account balance or as a certificate of deposit. The liquidity always stays in the system,” the AMFI CEO said.

Also Read | Should you stop your SIP because the market is not doing well? History suggests otherwise

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Mutual fund industry’s growth arithmetic
India’s mutual fund AUM-to-GDP ratio currently sits at 20–21%, against a global average of 65% and over 100% in some developed economies. AMFI’s targets reflect how much white space remains: 10 crore investors by 2030, up from 6.3 crore today, and AUM of ₹150 lakh crore — roughly 50% of projected GDP.

The growth is increasingly coming from beyond the country’s major urban centres. More than 55% of SIP accounts are now from B-30 cities — those outside India’s top 30 — and around 40% of monthly SIP contributions originate there. SEBI’s incentivisation scheme has played a role, offering distributors a 1% commission, capped at ₹2,000, for bringing in new investors from B-30 cities. AMCs have also lowered the floor, with some SIPs available for as little as ₹100 a month, and daily SIP options now available for India’s large base of daily-wage earners.

A SEBI survey recently found that 53% of Indian households are aware of mutual funds but only 6% have invested. That gap, more than any other number, captures both the industry’s challenge and its runway.

For the retail investor watching a negative portfolio balance for the first time, Chalasani’s message is to think of it as a small cost you are incurring for a long-term benefit you will accrue. “When you reframe a temporary fall as a cost rather than a loss, your attitude changes.”

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“It is not the timing of the market that matters,” Chalasani said. “It is the time you spend staying in the market.”

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Apple suppliers slide across Asia after price hikes rattle tech sentiment

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Apple suppliers slide across Asia after price hikes rattle tech sentiment

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New street art unveiled in West Perth

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New street art unveiled in West Perth

A large-scale public artwork has been unveiled in West Perth, funded through a $5 million program by Main Roads WA, WALGA and a social enterprise.

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Fidelity Select Materials Portfolio Q1 2026 Commentary (FSDPX)

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Fidelity Select Materials Portfolio Q1 2026 Commentary (FSDPX)

Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses it serves. With assets under administration of $12.6 trillion, including discretionary assets of $4.9 trillion as of December 31, 2023, Fidelity focuses on meeting the unique needs of a broad and growing customer base. Privately held for 77 years, Fidelity employs more than 74,000 associates with its headquarters in Boston and a global presence spanning nine countries across North America, Europe, Asia and Australia. Note: This account is not managed or monitored by Fidelity, and any messages sent via Seeking Alpha will not receive a response. For inquiries or communication, please use Fidelity’s official channels.

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