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BurnBot RX burns unwanted vegetation without emitting plumes of smoke.

Lora Kolodny for CNBC

Last year’s record heat wave worsened drought and dry conditions across the globe, a particularly calamitous situation for California, which has seen 13 of the state’s 20 most destructive wildfires in history break out since 2017.

In South San Francisco, a small startup is working on a high-tech approach to wildfire prevention.

Anukool Lakhina and Waleed “Lee” Haddad founded BurnBot in 2022 to develop robotics and remote-controlled vehicles that can munch up and burn away invasive plants or other dry vegetation that can fuel fires if left fallow.

BurnBot has just raised a $20 million funding round led by climate-focused ReGen Ventures, for expansion, hiring, and to develop new machines that can traverse steeper hills and get into tighter spaces.

Before BurnBot, firefighters and land owners had to use expensive, time-consuming and more dangerous options like grazing away the vegetation (typically with goats), burning it, applying herbicides or removing vegetation mechanically with a mix of equipment and manual labor.

“The sort of traditional way to do a prescribed burn is with drip torches, and that requires a large number of people,” said Lakhina, BurnBot’s CEO. “A drip torch is like a diesel watering can. You go around, you drop diesel, then ignite it.”

Burnbot’s current model, the RX, is a remote-operated vehicle that looks a cross between an oversized Zamboni and a steel cooking range with a set of fire extinguishers strapped to its back. Like other agricultural and construction equipment, the RX rolls forward on tank-like tracks and wheels, which enable it to maneuver through rough fields.

Within the chambers of the RX are several rows of torches that emit blue flames, and adjust the heat levels precisely to zap away unwanted vegetation or other fuels on the ground below. The chambers of the BurnBot RX also trap and torch away the smoke that comes from burning vegetation, so it doesn’t pollute the air in surrounding communities. When the torching is done, the RX sprays water repeatedly to extinguish any remaining embers.

Inside the chambers of the BurnBot RX torches are lit to do the work of a prescribed burn.

Lora Kolodny for CNBC

Lakhina said BurnBot’s systems can be put to use where traditional controlled burns won’t work. For example, drip torch burns produce a good deal of smoke, which is conductive enough it would interfere with the proper functioning of power lines or high-voltage equipment. BurnBot’s machines can be used even under power lines.

The company is aiming to make every person who works in fire prevention 10 times more effective than they were with old methods, Lakhina said.

Haddad, BurnBot’s chief technology officer, noted that land isn’t always ready to “receive fire” in a prescribed burn. So the company has programmed equipment, which it procures from another supplier, to roll ahead of the RX to crunch up the vegetation in an area of concern before it’s ready for torching.

BurnBot plans to conduct a prescribed burn this Friday in San Diego, a project for CalTrans, the state’s transportation agency. It also plans for another burn for Pacific Gas & Electric, the state’s major utility, in June.

PG&E spends upward of $1 billion on “vegetation management” each year. Kevin Johnson, who leads the company’s Wildfire Resilience Partnerships, said PG&E is always “looking for opportunities to do this work safer, faster, cheaper and to be more environmentally friendly.”  

BurnBot has already completed one demonstration of its controlled burn machine underneath PG&E transmission lines.

Brice Muenzer, a battalion chief with CalFire in Monterey, California, said massive fires in the state and throughout the U.S. over the past decade have been partly caused and certainly exacerbated by overzealous elimination of smaller fires, including ritual fires from indigenous communities.

“We removed fire from the ecosystem for the last 150 years and are living through that reality now,” the chief said.

CalFire has worked with BurnBot personnel, machines and additional drones overhead, to create what’s known as a control line in the field in at least one location. Muenzer says the group hopes to do more with the startup.

Creating a control line, or blacklining the land, involves firefighters strategically burning areas when the weather is calm and where flames can be controlled to create scars that will block other fires from jumping in and reaching areas with lots of new material to burn.

BurnBot cofounders (L-R) CTO Waleed “Lee” Haddad and CEO Anukool Lakhina

Lora Kolodny for CNBC

BurnBot aims to eventually expand its operations beyond California, with offices and fleets of its machines wherever vegetation management is needed and wildfire risk is highest.

“There are 50 million acres that the U.S. Forest Service has said need treatment every year and that’s just forest land,” said Lakhina. In the U.S. there are 237 million acres that need treatment overall. And grazing can cost $1,000 an acre.”

Childrens’ health is at stake along with property and healthy forests, Lakhina added. According to the Harvard School of Public Health, wildfire smoke can be more toxic than air pollution from other sources, leading to more emergency room visits, especially for children who are exposed.

Because BurnBot offers greater precision than grazing, herbicides and mechanical removal, its systems should prove ecologically more beneficial as well, Haddad said. The BurnBot RX is able to help prevent the spread of seeds from invasive species, for example, without causing any of those species to develop resistance to an herbicide.

ReGen was joined in BurnBot’s funding round by investors including AmFam Ventures, which is the venture arm of an insurance company, Toyota Ventures, and earlier backers including robotics fund Pathbreaker, Convective Capital and Chris Sacca’s Lowercarbon Capital.

WATCH: Revisiting Maui six months after devastating wildfires

Revisiting Maui six months after devastating wildfires

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Southeast Asia needn’t take sides in US-China tech rivalry. It can learn from both, experts say

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Southeast Asia needn't take sides in US-China tech rivalry. It can learn from both, experts say

A woman holds a cell phone featuring the DeepSeek logo, with the Nvidia logo displayed in the background.

Nurphoto | Nurphoto | Getty Images

As China and the U.S. compete in artificial intelligence, Southeast Asia should draw from the best of both countries while building its own technologies, panelists said at CNBC’s East Tech West 2025 conference on June 27 in Bangkok, Thailand.

Julian Gorman, head of Asia-Pacific at mobile network trade organization GSMA, said it would be a negative development if Southeast Asia was forced to choose between either superpower. 

“Southeast Asia is very dependent on both economies, both China and America. I think it’s pretty hard to consider that they would go one way or the other,” Gorman said. 

“It’s very important that we continue to focus on not fragmenting the technology, standardizing it, and working so that technology transcends geopolitics and ultimately is used for good,” he added. 

The spread of U.S. and Chinese AI companies into new global markets has been a big trend this year as both Beijing and Washington seek more global influence in advanced technologies. 

U.S. and China offerings

According to George Chen, managing director and co-chair of digital practice for The Asia Group, Southeast Asia had initially been leaning towards AI models from the U.S., such as those from Google and Microsoft. 

However, the emergence of China’s DeepSeek has propelled the popularity of the company’s models in Southeast Asia due to its low cost and open-source licensing, which can be used to build on and adapt models to regional priorities. 

Open-source generally refers to software in which the source code is made freely available, allowing anyone to view, modify and redistribute it. Large language model players in China have been leaning into this business model since DeepSeek’s debut. 

Previous panels at East Tech West have flagged open-source models as an important tool for regions outside of China and the U.S. to build their own sovereign AI capabilities.

Meanwhile, on the hardware side, the U.S. remains a leader in AI processors through chip giant Nvidia. While the U.S. has restricted China’s access to these chips, they remain on the market for Southeast Asia – which Chen suggested the region continue to take advantage of. 

However, Chen noted that there is a possibility that the AI landscape could change dramatically in a decade, with China being able to provide more affordable alternatives to Nvidia. 

“Don’t take a side easily and too quickly. Think about how to maximize your economic potential,” he suggested. 

GSMA’s Gorman pointed out that facing this “balancing act” between the superpowers is not new for Southeast Asia. For example, the region’s mobility industry heavily relies on Chinese tech manufacturing and hardware, as well as the U.S. in other areas such as telecommunications.

Southeast Asia’s edge

Leader in AI regulation? 

According to GSMA’s Gorman, Southeast Asia can serve as a neutral ground between China and the U.S., where the two sides can come together and engage in high-level dialogues on how to apply AI responsibly.  

Southeast Asia can also play a proactive role in AI regulation itself, he said, citing recent examples of regulatory leadership from the region, such as Singapore’s Shared Responsibility Framework for tackling international scams and fraud. 

So far, there have been few global regulations on AI. While the EU has adopted a policy, the U.S. and ASEAN countries have yet to follow suit. 

Chen added that the region will need to band together and adopt common frameworks to gain a more prominent seat at the table of global AI development and regulation. 

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Tech founders call on Sequoia Capital to denounce VC Shaun Maguire’s Mamdani comments

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Tech founders call on Sequoia Capital to denounce VC Shaun Maguire's Mamdani comments

Almost 600 people have signed an open letter to leaders at venture firm Sequoia Capital after one of its partners, Shaun Maguire, posted what the group described as a “deliberate, inflammatory attack” against the Muslim Democratic mayoral candidate in New York City.

Maguire, a vocal supporter of President Donald Trump, posted on X over the weekend that Zohran Mamdani, who won the Democratic primary last month, “comes from a culture that lies about everything” and is out to advance “his Islamist agenda.”

The post had 5.3 million views as of Monday afternoon. Maguire, whose investments include Elon Musk’s SpaceX and X as well as artificial intelligence startup Safe Superintelligence, also published a video on X explaining the remark.

Those signing the letter are asking Sequoia to condemn Maguire’s comments and apologize to Mamdani and Muslim founders. They also want the firm to authorize an independent investigation of Maguire’s behavior in the past two years and post “a zero-tolerance policy on hate speech and religious bigotry.”

They are asking the firm for a public response by July 14, or “we will proceed with broader public disclosure, media outreach and mobilizing our networks to ensure accountability,” the letter says.

Sequoia declined to comment. Maguire didn’t respond to a request for comment, but wrote in a post about the letter on Wednesday that, “You can try everything you want to silence me, but it will just embolden me.”

Among the signees are Mudassir Sheikha, CEO of ride-hailing service Careem, and Amr Awadallah, CEO of AI startup Vectara. Also on the list is Abubakar Abid, who works in machine learning Hugging Face, which is backed by Sequoia, and Ahmed Sabbah, CEO of Telda, a financial technology startup that Sequoia first invested in four years ago.

At least three founders of startups that have gone through startup accelerator program Y Combinator added their names to the letter.

Sequoia as a firm is no stranger to politics. Doug Leone, who led the firm until 2022 and remains a partner, is a longtime Republican donor, who supported Trump in the 2024 election. Following Trump’s victory in November, Leone posted on X, “To all Trump voters:  you no longer have to hide in the shadows…..you’re the majority!!”

By contrast, Leone’s predecessor, Mike Moritz, is a Democratic megadonor, who criticized Trump and, in August, slammed his colleagues in the tech industry for lining up behind the Republican nominee. In a Financial Times opinion piece, Moritz wrote Trump’s tech supporters were “making a big mistake.”

“I doubt whether any of them would want him as part of an investment syndicate that they organised,” wrote Moritz, who stepped down from Sequoia in 2023, over a decade after giving up a management role at the firm. “Why then do they dismiss his recent criminal conviction as nothing more than a politically inspired witch-hunt over a simple book-keeping error?”

Neither Leone nor Moritz returned messages seeking comment.

Roelof Botha, Sequoia’s current lead partner, has taken a more neutral stance. Botha said at an event last July that Sequoia as a partnership doesn’t “take a political point of view,” adding that he’s “not a registered member of either party.” Boelof said he’s “proud of the fact that we’ve enabled many of our partners to express their respected individual views along the way, and given them that freedom.”

Maguire has long been open with his political views. He said on X last year that he had “just donated $300k to President Trump.”

Mamdani, a self-described democratic socialist, has gained the ire of many people in tech and in the business community more broadly since defeating former New York Gov. Andrew Cuomo in the June primary.

— CNBC’s Ari Levy contributed to this report.

WATCH: SpaceX valuation is maybe even conservative, says Sequoia’s Shaun Maguire

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Samsung expects second-quarter profits to more than halve as it struggles to capture AI demand

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Samsung expects second-quarter profits to more than halve as it struggles to capture AI demand

Samsung signage during the Nvidia GPU Technology Conference (GTC) in San Jose, California, US, on Thursday, March 20, 2025.

David Paul Morris | Bloomberg | Getty Images

South Korea’s Samsung Electronics on Tuesday forecast a 56% fall in profits for the second as the company struggles to capture demand from artificial intelligence chip leader Nvidia. 

The memory chip and smartphone maker said in its guidance that operating profit for the quarter ending June was projected to be around 4.6 trillion won, down from 10.44 trillion Korean won year over year.

The figure is a deeper plunge compared to smart estimates from LSEG, which are weighted toward forecasts from analysts who are more consistently accurate.

According to the smart estimates, Samsung was expected to post an operating profit of 6.26 trillion won ($4.57 billion) for the quarter. Meanwhile, Samsung projected its revenue to hit 74 trillion won, falling short of LSEG smart estimates of 75.55 trillion won.

Samsung is a leading player in the global smartphone market and is also one of the world’s largest makers of memory chips, which are utilized in devices such as laptops and servers.

However, the company has been falling behind competitors like SK Hynix and Micron in high-bandwidth memory chips — an advanced type of memory that is being deployed in AI chips.

“The disappointing earnings are due to ongoing operating losses in the foundry business, while the upside in high-margin HBM business remains muted this quarter,” MS Hwang, Research Director at Counterpoint Research, said about the earnings guidance.

SK Hynix, the leader in HBM, has secured a position as Nvidia’s key supplier. While Samsung has reportedly been working to get the latest version of its HBM chips certified by Nvidia, a report from a local outlet suggests these plans have been pushed back to at least September.

The company did not respond to a request for comment on the status of its deals with Nvidia.

Ray Wang, Research Director of Semiconductors, Supply Chain and Emerging Technology at Futurum Group told CNBC that it is clear that Samsung has yet to pass Nvidia’s qualification for its most advanced HBM.

“Given that Nvidia accounts for roughly 70% of global HBM demand, the delay meaningfully caps near-term upside,” Wang said. He noted that while Samsung has secured some HBM supply for AI processors from AMD, this win is unlikely to contribute to second-quarter results due to the timing of production ramps.

Meanwhile, Samsung’s chip foundry business continues to face weak orders and serious competition from Taiwan Semiconductor Manufacturing Company, Wang added.

Reuters reported in September that Samsung had instructed its subsidiaries worldwide to cut 30% of staff in some divisions, citing sources familiar with the matter.

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