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Yuval Bachar knows data centers. He’s worked on them for Meta, Microsoft and Cisco, but now, his startup is looking to help Silicon Valley run data centers with lower carbon dioxide emissions.

ECL, Bachar’s startup, builds hydrogen-powered data centers. 

Hydrogen is a novel energy source for data centers that is more eco-friendly, and more importantly for tech companies that need to quickly expand their infrastructure, data centers running on hydrogen can be placed into service in half the time that it takes to construct data centers that connect to the grid, Bachar said.

There’s one of these hydrogen-powered data centers, with a measly 1-megawatt capacity, next to ECL’s headquarters in Mountain View, California. Twice a month, a diesel truck hauls in hydrogen in a tank from Southern California or northern Nevada. The hydrogen mainly derives from natural gas, which is the top energy source for electricity in the U.S.

Bachar and others developing technologies that can fuel data centers with minimal emissions discuss their work in a new CNBC documentary, which you can watch above.

Since OpenAI released ChatGPT in 2022, Amazon, Google, Microsoft and other companies have been racing to open data centers that can handle generative artificial intelligence. These buildings are typically filled with power-hungry Nvidia graphics processing units. GPUs are the standard for training and running large language models that produce impressive chunks of text with a few words of human input. Executives across industries have seen what ChatGPT can do, and now they want to infuse generative AI into their products and internal operations, sometimes with hopes of boosting productivity.

If your data center doesn’t have enough power for GPUs today, then executives will look elsewhere. Bachar knows that. It’s a big part of his pitch.

He likes to say that utilities in some places, such as California and Virginia, can’t help you right now if you want a lot of power for a data center. OpenAI’s Sam Altman has invested hundreds of millions in nuclear startups, but they won’t be ready to deliver energy for years, Bachar said.

After establishing ECL in 2021, Bachar has signed up two paying customers, with several other organizations that have placed orders for future delivery.

“It’s the Microsofts, Facebooks, Amazons and Googles of the world … which require all of this technology to be placed somewhere, and right now, somewhere is nowhere,” said Bachar, explaining that traditional data centers in the U.S. can’t be easily repurposed to work with AI.

ECL has plans to operate its sites efficiently, but as of now, it’s tiny, with 10 employees and 18 contractors. That’s much smaller than Altman’s nuclear fusion investment, Helion, and the fission startup he backed, Oklo. Together the two employ nearly 600 people, representatives said.

Microsoft has committed to working with Helion, and the software company also signed a power purchase agreement in September to restart a nuclear reactor at Pennsylvania’s Three Mile Island that shut down in 2019. 

Nuclear installations inherently prompt questions about safety and the handling of waste, but their carbon-free status makes them attractive. Amazon, Google and Oracle have all explored small modular reactors with lower capacity than the ones at Three Mile Island.

Last Energy Founder and CEO Bret Kugelmass shows CNBC a full-scale prototype of the start-up’s small modular reactor in Washington, DC, on January 8, 2025.

Magdalena Petrova

The big tech companies are carefully watching their emissions in the AI age.

By 2030, Google wants to have net-zero emissions while Microsoft’s goal is to be carbon negative by that year. Amazon has pledged to reach net-zero carbon by 2040.

“We’re working with major tech companies, as well as various industrial players, to help them integrate our plug and play solution for on-site power generation into data centers,” said Bret Kugelmass, founder and CEO of Last Energy, a Washington startup working on small modular reactors.

Bachar is fascinated with nuclear energy, but he said getting more of those facilities online will take time. 

“We have a problem that we have to solve right now,” he said.

In addition to his nuclear investments, OpenAI’s Altman has bet on solar startup Exowatt. It has partners developing data centers that are consuming more than half of the energy available in their states in some locations, co-founder and CEO Hannan Happi said.

Geothermal energy has also garnered fresh interest in the modern AI era, with Google collaborating with startup Fervo Energy in Nevada. Tim Latimer, the startup’s CEO, said Fervo has found a way to generate gigawatts of electricity in a single place by drilling horizontal holes underground, rather than the traditional vertical way.

Gigawatts are a serious quantity, but drilling holes for geothermal plants can be expensive, said Adrian Cockcroft, a former Amazon sustainability executive.

ECL intends to build a large-scale, 1-gigawatt data center in Texas over the next four years, with the help of hydrogen pipelines. It will probably take that long to move to zero-carbon green hydrogen using electrolyzers that convert water into hydrogen and oxygen, Bachar said.

But generating green hydrogen through electrolysis isn’t cheap, said Kittu Kolluri, managing director of Neotribe Ventures.

The price of green hydrogen is to be determined, especially now that Donald Trump is U.S. president again, Bachar said.

Still, every gigawatt matters. 

In 2028, U.S. data center demand could come in between 74 gigawatts and 132 gigawatts, according to a December report from the Lawrence Berkeley National Laboratory. Data centers might account for 6.7% to 12% of total U.S. energy consumption in 2028, up from 4.4% in 2023, the report said.

“The concern we have is can we grow fast enough to address the unprecedented demand for AI data centers,” Bachar said.

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How quantum could supercharge Google’s AI ambitions

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How quantum could supercharge Google’s AI ambitions

Inside a secretive set of buildings in Santa Barbara, California, scientists at Alphabet are working on one of the company’s most ambitious bets yet. They’re attempting to develop the world’s most advanced quantum computers.

“In the future, quantum and AI, they could really complement each other back and forth,” said Julian Kelly, director of hardware at Google Quantum AI.

Google has been viewed by many as late to the generative AI boom, because OpenAI broke into the mainstream first with ChatGPT in late 2022.

Late last year, Google made clear that it wouldn’t be caught on the backfoot again. The company unveiled a breakthrough quantum computing chip called Willow, which it says can solve a benchmark problem unimaginably faster than what’s possible with a classical computer, and demonstrated that adding more quantum bits to the chip reduced errors exponentially. 

“That’s a milestone for the field,” said John Preskill, director of the Caltech Institute for Quantum Information and Matter. “We’ve been wanting to see that for quite a while.”

Willow may now give Google a chance to take the lead in the next technological era. It also could be a way to turn research into a commercial opportunity, especially as AI hits a data wall. Leading AI models are running out of high-quality data to train on after already scraping much of the data on the internet.

“One of the potential applications that you can think of for a quantum computer is generating new and novel data,” said Kelly. 

He uses the example of AlphaFold, an AI model developed by Google DeepMind that helps scientists study protein structures. Its creators won the 2024 Nobel Prize in Chemistry. 

“[AlphaFold] trains on data that’s informed by quantum mechanics, but that’s actually not that common,” said Kelly. “So a thing that a quantum computer could do is generate data that AI could then be trained on in order to give it a little more information about how quantum mechanics works.” 

Kelly has said that he believes Google is only about five years away from a breakout, practical application that can only be solved on a quantum computer. But for Google to win the next big platform shift, it would have to turn a breakthrough into a business. 

Watch the video to learn more.

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Nintendo Switch 2 retail preorder to begin April 24 following tariff delays

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Nintendo Switch 2 retail preorder to begin April 24 following tariff delays

An attendee wearing a Super Mario costume uses a Nintendo Switch 2 game console while playing a video game during the Nintendo Switch 2 Experience at the ExCeL London international exhibition and convention centre in London, Britain, April 11, 2025. 

Isabel Infantes | Reuters

Nintendo on Friday announced that retail preorder for its Nintendo Switch 2 gaming system will begin on April 24 starting at $449.99.

Preorders for the hotly anticipated console were initially slated for April 9, but Nintendo delayed the date to assess the impact of the far-reaching, aggressive “reciprocal” tariffs that President Donald Trump announced earlier this month.

Most electronics companies, including Nintendo, manufacture their products in Asia. Nintendo’s Switch 1 consoles were made in China and Vietnam, Reuters reported in 2019. Trump has imposed a 145% tariff rate on China and a 10% rate on Vietnam. The latter is down from 46%, after he instituted a 90-day pause to allow for negotiations.

Nintendo said Friday that the Switch 2 will cost $449.99 in the U.S., which is the same price the company first announced on April 2.

“We apologize for the retail pre-order delay, and hope this reduces some of the uncertainty our consumers may be experiencing,” Nintendo said in a statement. “We thank our customers for their patience, and we share their excitement to experience Nintendo Switch 2 starting June 5, 2025.”

The Nintendo Switch 2 and “Mario Kart World bundle will cost $499.99, the digital version “Mario Kart World” will cost $79.99 and the digital version of “Donkey Kong Bananza” will cost $69.99, Nintendo said. All of those prices remain unchanged from the company’s initial announcement.

However, accessories for the Nintendo Switch 2 will “experience price adjustments,” the company said, and other future changes in costs are possible for “any Nintendo product.”

It will cost gamers $10 more to by the dock set, $1 more to buy the controller strap and $5 more to buy most other accessories, for instance.

WATCH: Nintendo has ‘a lot of work to do’ to convince casual users to upgrade to Switch 2: Kantan Games

Nintendo has 'a lot of work to do' to convince casual users to upgrade to Switch 2: Kantan Games

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Etsy touts ‘shopping domestically’ as Trump tariffs threaten price increases for imports

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Etsy touts 'shopping domestically' as Trump tariffs threaten price increases for imports

An employee walks past a quilt displaying Etsy Inc. signage at the company’s headquarters in the Brooklyn.

Victor J. Blue/Bloomberg via Getty Images

Etsy is trying to make it easier for shoppers to purchase products from local merchants and avoid the extra cost of imports as President Donald Trump’s sweeping tariffs raise concerns about soaring prices.

In a post to Etsy’s website on Thursday, CEO Josh Silverman said the company is “surfacing new ways for buyers to discover businesses in their countries” via shopping pages and by featuring local sellers on its website and app.

“While we continue to nurture and enable cross-border trade on Etsy, we understand that people are increasingly interested in shopping domestically,” Silverman said.

Etsy operates an online marketplace that connects buyers and sellers with mostly artisanal and handcrafted goods. The site, which had 5.6 million active sellers as of the end of December, competes with e-commerce juggernaut Amazon, as well as newer entrants that have ties to China like Temu, Shein and TikTok Shop.

By highlighting local sellers, Etsy could relieve some shoppers from having to pay higher prices induced by President Trump’s widespread tariffs on trade partners. Trump has imposed tariffs on most foreign countries, with China facing a rate of 145%, and other nations facing 10% rates after he instituted a 90-day pause to allow for negotiations. Trump also signed an executive order that will end the de minimis provision, a loophole for low-value shipments often used by online businesses, on May 2.

Temu and Shein have already announced they plan to raise prices late next week in response to the tariffs. Sellers on Amazon’s third-party marketplace, many of whom source their products from China, have said they’re considering raising prices.

Silverman said Etsy has provided guidance for its sellers to help them “run their businesses with as little disruption as possible” in the wake of tariffs and changes to the de minimis exemption.

Before Trump’s “Liberation Day” tariffs took effect, Silverman said on the company’s fourth-quarter earnings call in late February that he expects Etsy to benefit from the tariffs and de minimis restrictions because it “has much less dependence on products coming in from China.”

“We’re doing whatever work we can do to anticipate and prepare for come what may,” Silverman said at the time. “In general, though, I think Etsy will be more resilient than many of our competitors in these situations.”

Still, American shoppers may face higher prices on Etsy as U.S. businesses that source their products or components from China pass some of those costs on to consumers.

Etsy shares are down 17% this year, slightly more than the Nasdaq.

WATCH: Amazon CEO Andy Jassy says sellers will pass cost of tariffs on to consumers

Amazon CEO Andy Jassy: Sellers will pass increased tariff costs on to consumers

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