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Elon Musk’s Boring Co. tunnel design critiqued by MIT tunneling expert
The tunnel designs of The Boring Company were recently critiqued by a tunneling expert from the Massachusetts Institute of Technology.
In a statement to Forbes, tunneling expert and MIT engineering professor Herbert Einstein stated that The Boring Co.’s concept is easier said than done. Einstein noted that apart from being smaller than the industry standard, the Boring Company’s tunnel design appears rather conventional.
“His machines that build tunnels look pretty standard. I’ve not seen anything from him that is different from what other people do except for the smaller diameter. What is new, or somewhat new, is that pod, the thing that goes into it and goes over long distances. This really looks like more a vehicle development, rather than tunnel development,” he said.
Einstein stated that the Boring Company’s decision to reduce the diameter of its tunnels to just around 14 feet in diameter would genuinely cut the startup’s digging costs. He did, however, state that geological factors such as methane pockets and tar deposits have to be taken into consideration when the company actually starts boring underground.
The tunneling expert further noted that small tunnels have already been attempted in London during the 19th century, but they were eventually abandoned in favor of larger subway tunnels due to safety concerns.
“Originally the subway cars fit into these things snugly. They don’t do this anymore for safety reasons. You want to be able to evacuate a train when it gets stuck, and quite literally, if the wall is next to the train, you cannot do that,” Einstein said.
Constantine Samaras, an assistant professor of civil and environmental engineering at Carnegie Mellon University, also expressed his doubts about the Boring Company’s tunnel design in a statement to Forbes. According to Samaras, Elon Musk’s tunneling company would likely face engineering challenges due to the technology involved in the projects, such as the elevators that will be used to lower cars and transport pods into the tunnel systems.
“The concept of car elevators on skates add a bunch of engineering challenges, such as reliability and safety of the elevator, loading and unloading times, and the number of dedicated areas in a city you’d need to do this at scale,” Samaras said.
The Boring Company has taken notable strides during the past few months. Despite being only being a year old, the Boring Co. has proven its tenacity by becoming one of two final bidders for the high-profile downtown Chicago-O’Hare transport system, beating out two other competitors. Its plan to build a 2.7-mile proof-of-concept tunnel in Los Angeles, CA, has also been granted an exemption from environmental review by the City Council Public Works Committee. In a recent SEC filing, it was also revealed that The Boring Company had raised $113 million worth of funding, with $100 million of the amount coming from Elon Musk.
Elon Musk
Music City Loop could highlight The Boring Company’s real disruption
The real story behind the tunneling startup’s Nashville tunnel project is the company’s targeted $25 million per mile construction cost.
Recent commentary on social media has highlighted what could very well prove to be The Boring Company’s real disruption.
The analysis was shared by tech watcher Aakash Gupta on social media platform X, where he argued that the real story behind the tunneling startup’s Nashville tunnel project is the company’s targeted $25 million per mile construction cost.
According to Gupta’s breakdown, Nashville’s 2018 light rail proposal was priced at roughly $200 million per mile. New York’s East Side Access project reportedly cost about $3.5 billion per mile, while Los Angeles Metro expansion projects have approached $1 billion per mile.
By comparison, The Boring Company has stated it can construct 13 miles of twin tunnels in the Music City Loop for between $240 million and $300 million total. That implies a cost near $25 million per mile, or roughly a 95% reduction from industry averages cited in the post.
Several technical departures from conventional tunneling allow the Boring Company to lower its costs, from its smaller 12-foot diameter tunnels to its fully electric Prufrock machines that are designed to mine continuously with no personnel inside the tunnel and their capability to “porpoise” for easy launch and retrieval.
Tesla and Space CEO Elon Musk responded to the post on X, stating simply that “Tunnels are so underrated.”
The Boring Company has seen some momentum as of late, with the company recently signing a construction contract in Dubai and the Universal Orlando Loop progressing. Recent reports have also pointed to tunnels potentially being constructed to solve traffic congestion issues near the Giga Nevada area.
While The Boring Company’s tunnels have so far been used for Loop systems publicly for now, Elon Musk recently noted that the tunneling startup’s underground passages would not be limited only to ride-hailing vehicles.
In a reply to a post on X which discussed the specifications of the Music City Loop, Musk clarified that “any fully autonomous electric cars can use the tunnels.” This suggests that vehicles potentially running systems like FSD Supervised, even if they are not Teslas, could be used in systems like the Music City Loop in the future.
Elon Musk
SpaceX IPO could push Elon Musk’s net worth past $1 trillion: Polymarket
The estimates were shared by the official Polymarket Money account on social media platform X.
Recent projections have outlined how a potential $1.75 trillion SpaceX IPO could generate historic returns for early investors. The projections suggest the offering would not only become the largest IPO in history but could also result in unprecedented windfalls for some of the company’s key investors.
The estimates were shared by the official Polymarket Money account on social media platform X.
As noted in a Polymarket Money analysis, Elon Musk invested $100 million into SpaceX in 2002 and currently owns approximately 42% of the company. At a $1.75 trillion valuation following SpaceX’s potential $1.75 trillion IPO, that stake would be worth roughly $735 billion.
Such a figure would dramatically expand Musk’s net worth. When combined with his holdings in Tesla Inc. and other ventures, a public debut at that level could position him as the world’s first trillionaire, depending on market conditions at the time of listing.
The Bloomberg Billionaires Index currently lists Elon Musk with a net worth of $666 billion, though a notable portion of this is tied to his TSLA stock. Tesla currently holds a market cap of $1.51 trillion, and Elon Musk’s currently holds about 13% to 15% of the company’s outstanding common stock.
Founders Fund, co-founded by Peter Thiel, invested $20 million in SpaceX in 2008. Polymarket Money estimates the firm owns between 1.5% and 3% of the private space company. At a $1.75 trillion valuation, that range would translate to approximately $26.25 billion to $52.5 billion in value.
That return would represent one of the most significant venture capital outcomes in modern Silicon Valley history, with a growth of 131,150% to 262,400%.
Alphabet Inc., Google’s parent company, invested $900 million into SpaceX in 2015 and is estimated to hold between 6% and 7% of the private space firm. At the projected IPO valuation, that stake could be worth between $105 billion and $122.5 billion. That’s a growth of 11,566% to 14,455%.
Other major backers highlighted in the post include Fidelity Investments, Baillie Gifford, Valor Equity Partners, Bank of America, and Andreessen Horowitz, each potentially sitting on multibillion-dollar gains.
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Tesla expands global FSD (Supervised) testing with Abu Dhabi trials
The program marks the emirate’s first formal testing framework for Tesla’s supervised autonomous driving technology.
Tesla has started its first Full Self-Driving (Supervised) road trials in Abu Dhabi under the oversight of the Integrated Transport Centre, also known as Abu Dhabi Mobility.
The program marks the emirate’s first formal testing framework for Tesla’s supervised autonomous driving technology.
FSD (Supervised) road trials are being conducted with the support of the Smart and Autonomous Systems Council and in coordination with the Legislation Lab at the General Secretariat of the UAE Cabinet.
Dr. Abdulla Hamad AlGhfeli, Acting Director General of the Integrated Transport Centre (Abu Dhabi Mobility), highlighted the agency’s regulatory role in overseeing the FSD (Supervised) tests in a press release.
“The supervision of the Integrated Transport Centre (Abu Dhabi Mobility) over the commencement of Tesla’s advanced autonomous driving technology tests reflects its regulatory and legislative role. These tests represent a qualitative step to evaluate the technology’s performance in a real-world operating environment and to collect the necessary data to verify its readiness before any future expansion in usage.
“Through this organized framework, and in cooperation with strategic partners, we seek to achieve a balance between supporting innovation and encouraging the adoption of smart solutions on one hand and ensuring the safety of road users on the other, in line with the emirate’s direction to develop an advanced, safe, and sustainable transport system,” he said.
Tesla is putting a lot of effort into expanding the rollout of FSD (Supervised) to territories outside in the United States. During a recent interview with Giga Berlin plant manager Andre Thierig, Musk stated that Tesla is looking to secure approval for FSD (Supervised) in the Netherlands this coming March.
“Tesla has the most advanced real-world AI, and hopefully, it will be approved soon in Europe. We’re told by the authorities that March 20th, it’ll be approved in the Netherlands,’ what I was told. Hopefully, that date remains the same. But I think people in Europe are going to be pretty blown away by how good the Tesla car AI is in being able to drive,” Musk stated.
Music City Loop could highlight The Boring Company’s real disruption
SpaceX IPO could push Elon Musk’s net worth past $1 trillion: Polymarket
