Autonomous driving newcomer Bot Auto has closed a $20 million Pre-A funding round led by Linear Capital.

There's a new player in autonomous driving. But this one isn't a stranger — it's Xiaodi Hou, the "boy wonder." He previously co-founded TSP (TuSimple), which was once one of the hottest companies in autonomous driving and became the sector's first global IPO. After the company went through turbulence, Hou started over. His new company, Bot Auto, had been operating in stealth mode until September 27, when Hou officially announced its latest progress: it has completed an oversubscribed $20 million Pre-A round and is now going public.

According to Bot Auto's announcement, the company is headquartered in Houston and focuses on autonomous trucking research. The Pre-A round was oversubscribed, with investors including Linear Capital, M31 Capital, Brightway Future Venture, Cherubic Venture, EnvisionX Venture, First Star Venture, Welight Capital, Taihill Venture, and Uphonest Venture. The funding will support Bot Auto's next-generation autonomous truck technology development, with an emphasis on improving safety and operational efficiency.

It's an interesting moment. Autonomous driving technology is getting closer to broader commercial deployment, while AI is undergoing its biggest and fastest transformation yet. The convergence of the two has become a certainty that brings new opportunities.

"Coupled with recent advances in AI and a sharper focus on operational efficiency, this creates a clear path to commercialization. Our prospects for success have never been brighter. We will move forward with unwavering determination, committed to bringing this transformative technology to humanity and building a brighter future," Hou said in the announcement.

After the funding news, he also shared his thoughts on social media:

"Today, Bot Auto emerges from stealth mode, ready to disrupt the autonomous trucking industry from Houston, Texas," he said. "What's our mission? To transform today's autonomous driving potential into tomorrow's commercial reality, paving the way for safer roads and more efficient logistics solutions."

Bot Auto's product direction and market target appear clear: Level 4 autonomous trucks and the massive logistics opportunity behind them.

Hou earned his bachelor's degree at Shanghai Jiao Tong University and his PhD at Caltech, where he gained industry-wide recognition as a boy wonder for a top conference paper consisting of just "five lines of code." After completing his doctorate, he founded TSP, going through a tumultuous first entrepreneurial chapter.

Yet these setbacks clearly haven't shaken his conviction in autonomous trucking's future. He describes himself as a steadfast believer in the technology.

As someone who lived through the last autonomous driving boom, he has developed fresh perspectives on the relationship between funding and technology. What's notable is that alongside the funding announcement, rather than simply stating the money would go to R&D, Bot Auto emphasized what this round would avoid:

The raised capital will be concentrated on technology development while avoiding the following:

• Scaling the operational footprint prior to product readiness;

• Unnecessary hiring ahead of operational maturity;

• Over-expansion and partnership debt that distracts from our mission.

• Scaling the operational footprint prior to product readiness.

• Unnecessary hiring ahead of operational maturity.

• Over expansion and partnership debt that distracts from our mission.

This "start an AV trucking company with a clean slate" startup has, from day one, drawn clear boundaries around what it won't do — uncommon among startups, and clearly informed by Hou's experience with this industry and his own past.

In a previous conversation, he described the difference between building an autonomous driving company from scratch today versus before:

This time, he only needs to be himself.

Those who have met Hou are invariably struck by his intelligence and idealism. The choice of Houston, according to Hou, pays tribute to the city's pioneering spirit in space exploration. Bot Auto aims to achieve the same in transportation and technology.

"We are not just building a company; we are bringing positive change to humanity. The journey ahead is exciting, and we are ready to make a lasting impact," Hou wrote.

The company is currently hiring; interested candidates can apply on its website. https://bot.auto/career

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About Linear Capital

Linear Capital is an early-stage investment firm focused on "frontier technology + industry" — frontier technologies such as data intelligence, digital new infrastructure, next-generation robotics, and technological transformation in traditional sectors (biomedicine, materials, energy, etc.), applied across vertical industries to dramatically improve efficiency, solve pain points, and complete industrial upgrading. Through substantial increases in industrial value, it achieves outsized commercial returns. The firm currently manages ten funds with total AUM of approximately $2 billion.

Its investment stage focuses on leading angel to Series A rounds, with individual ticket sizes ranging from $1 million to $10 million (or RMB equivalent).

To date, it has made early-stage investments in over 120 teams including Horizon Robotics, Kujiale, Sensors Data, Tezign, Rokid, Guandata, and Agile Robots. The combined valuation of Linear's portfolio companies is approximately $20 billion.

In the near term, Linear Capital is working to become the premier "Data Intelligence Technology Fund," with a long-term vision of building the most influential "Frontier Technology Application Fund."