Chinese officials told Tesla that Beijing has tentatively approved the automaker's plan to launch its “Full Self-Driving,” or FSD, software feature in the country. Photo via tesla.com

Authorities in Washington have determined that a Tesla that hit and killed a motorcyclist near Seattle in April was operating on the company's “Full Self Driving” system at the time of the crash.

Investigators from the Washington State Patrol made the discovery after downloading information from the event-data recorder on the 2022 Tesla Model S, agency spokesman Capt. Deion Glover said Tuesday.

“The investigation is still ongoing in this case,” Glover said in an email to The Associated Press. The Snohomish County Prosecutor will determine if any charges are filed in the case, he said.

Tesla CEO Elon Musk said last week that “Full Self Driving” should be able to run without human supervision by the end of this year. He has been promising a fleet of robotaxis for several years. During the company’s earnings conference call, he acknowledged that his predictions on the issue “have been overly optimistic in the past.”

A message was left Tuesday seeking comment from Texas-based Tesla.

After the crash in a suburban area about 15 miles (24 kilometers) northeast of Seattle, the driver told a trooper that he was using Tesla's Autopilot system and looked at his cellphone while the Tesla was moving.

“The next thing he knew there was a bang and the vehicle lurched forward as it accelerated and collided with the motorcycle in front of him,” the trooper wrote in a probable-cause document.

The 56-year-old driver was arrested for investigation of vehicular homicide “based on the admitted inattention to driving, while on Autopilot mode, and the distraction of the cell phone while moving forward, putting trust in the machine to drive for him,” the affidavit said.

The motorcyclist, Jeffrey Nissen, 28, of Stanwood, Washington, was under the car and pronounced dead at the scene, authorities reported.

Nissen's death is at least the second in the U.S. involving Tesla's “Full Self-Driving” system. In investigative documents, the U.S. National Highway Traffic Safety Administration said earlier it had found one fatality and 75 crashes while the system was being used. It wasn't clear whether the system was at fault in the fatality.

Tesla has two partially automated driving systems, “Full Self-Driving,” which can take on many driving tasks even on city streets, and Autopilot, which can keep a car in its lane and away from objects in front of it. Sometimes the names are confused by Tesla owners and the public.

Tesla says at present neither system can drive itself and that human drivers must be ready to take control at any time.

“Full Self-Driving” is being tested on public roads by selected Tesla owners. The company recently has been calling it FSD Supervised.

Musk said last week that he did not think approval by government regulators would be a limiting factor in deploying robotaxis. “If you’ve got billions of miles that show that in the future, unsupervised FSD is safer than humans, what regulator could really stand in the way of that?” he asked.

But Phil Koopman, a professor at Carnegie Mellon University who studies autonomous vehicle safety, said he doesn't see Tesla running robotaxis without human drivers on nearly all roads for another decade.

The safety record Musk cites is based on having a human driver supervise the automated system, he said. “Unless you have data showing that the driver never has to supervise the automation, then there's no basis for claiming they're going to be acceptably safe,” he said.

Musk has said Tesla will unveil a dedicated robotaxi vehicle at an event on Oct. 10. The event was delayed from Aug. 8 to make changes in the vehicle that Musk wanted.

Musk has been telling investors that Tesla is less of a car company and more of a robotics and artificial intelligence company. Many investors have put money into the company based on long-term prospects for robotics technology.

Musk has been touting self-driving vehicles as a growth catalyst for Tesla since “Full Self Driving” hardware went on sale late in 2015.

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Katy’s TerraFlow acquires Houston battery tech startup FlowCellutions

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Katy-based TerraFlow Energy, an energy storage and infrastructure company, has acquired Houston-based battery technology startup FlowCellutions. Financial terms weren’t disclosed.

FlowCellutions still operates under its established name, but with the tagline “A TerraFlow Energy Company.” Becca Segel, founder and CEO of FlowCellutions, now runs the business as its president.

FlowCellutions specializes in electrochemical sensing, diagnostics, analytics, and testing that offer insights into battery chemistry, charging capabilities, and system performance.

“FlowCellutions has always been focused on developing better ways to understand what is happening inside a flow battery and using that information to improve how these systems perform,” Segal said in a press release. “Joining TerraFlow gives us the opportunity to apply that work at a much larger scale while continuing to build the capabilities and expertise that make FlowCellutions unique.”

The FlowCellutions platform supports data centers and other heavy users of power. It’s designed to help reduce operating costs, prevent failures and costly downtime, and extend battery lifetime from about seven years to more than 30 years.

Segel founded the company in 2022. A member of Greentown Labs, the company raised more than $2 million in non-dilutive funding and received $1.5 million in National Science Foundation funding earlier this year.

FlowCellutions is one of five finalists in the Energy Transition Business category of InnovationMap’s 2026 Houston Innovation Awards.

“FlowCellutions brings a depth of scientific and technical expertise that fits naturally with where TerraFlow is going,” Jon Parrella, CEO of TerraFlow, said in the release.

“As we move from developing these systems to deploying them at commercial scale, understanding performance at a deeper level matters,” he said. “Bringing FlowCellutions into TerraFlow strengthens that capability and gives both teams more opportunity to advance the technology.”

TerraFlow, founded in 2024, develops long-duration energy storage and power infrastructure for data centers, industrial facilities, utilities and other large power consumers.

8 must-attend Houston energy events happening in November 2026

Mark your calendars

Editor's note: The November calendar is front-loaded with events for those in Houston's energy sector. From annual summits to an expo exploring AI and energy, these are the events you'll want to register for this month.

Nov. 2 — Energy Leadership Speaker Series

Join UH Energy for a conversation with Jason Wells, Chair, President, and Chief Executive Officer of CenterPoint Energy. The Energy Leadership Speaker Series is a year-long program featuring 12 expert-led sessions covering topics from energy leadership to AI and data science in energy operations. The November topic is "Grid Modernization & The Electricity Revolution."

This event begins at 4:15 pm on November 2 at the University of Houston. Find details here.

Nov. 3-4 — Next-Gen AI for Energy Summit 2026

The summit brings together over 600 senior executives from energy, technology, policy, and investment communities worldwide to explore six strategic areas: operational optimization, digital infrastructure, finance, digital twins, risk management, cybersecurity, and AI-driven market and regulatory strategies. The summit is co-located with EnergyTech X, an invite-only forum connecting energy innovators, AI founders, startups, and investors to scale next-generation energy technologies.

This event begins Nov. 3 at the Intercontinental Houston. Register here.

Nov. 3-5: 17th Annual Operational Excellence in Oil & Gas Summit

The 17th Annual Operational Excellence in Oil & Gas Summit will focus on aligning technology, process, and workforce to balance reliability, resilience, and operational cost. It will feature case studies on AI adoption, asset management, and workforce modernization.

This event begins Nov. 3 at Norris Conference Center. Register here.

Nov. 4-5 — 2026 OPIS Global LPG Conference: Powering Global Connectivity

This November, industry leaders, traders, producers, and infrastructure stakeholders will once again converge in Houston—the world’s LPG hub—for the 2026 OPIS Global LPG Conference. The conference will cover the global LPG market, which is entering a new phase of structural evolution, and how the industry is moving from managing volume to mastering the connectivity between expanding supply hubs and global energy and petrochemical demand.

This event begins Nov. 4 at the Royal Sonesta Houston Galleria. Register here.

Nov. 4-6: SAF North America Congress 2026

The aviation and energy value chains will gather in Houston once again to help shape the future of Sustainable Aviation Fuel (SAF) in North America. The focus will be on safeguarding progress made to date and ensuring SAF remains central to energy and climate strategies.

This event begins Nov. 4 at Marriott Marquis Houston. Register here.

Nov. 11: BNEF Summit Houston 2026

The BNEF Summit Houston 2026 will explore how AI-driven demand, geopolitical tensions, and electrification are reshaping energy systems at unprecedented speed. Bringing together 600 leaders across energy, tech, digital infrastructure and finance, the summit will address the race to build power, infrastructure, and supply chains — and who will fund, deliver, and benefit from the next phase of growth.

This event takes place Nov. 11 at Post Oak Houston. Register here.

Nov. 11-12: Energy Supply Chain & Procurement Summit

For 12 years, the Energy Supply Chain and Procurement Summit has brought senior procurement, supply chain, and logistics leaders to Houston — from operators, EPCs, utilities, service and equipment providers, and the suppliers they depend on. At the 2026 summit, leaders will discuss what production growth is doing to sourcing, supplier risk, and assurance of supply, and what’s working.

This event begins Nov. 11 at Houston Marriott Uptown. Register here.

Nov. 18-19: American Data Centers & AI Conference and Exhibition 2026

Set to redefine the intersection of energy and digital infrastructure, the American Data Centers & AI Conference and Exhibition convenes in Houston for its second annual event. The event will address the increasing demand for high-performance computing and the sustainable development of AI infrastructure, which requires significant power. Participants can expect to learn about practical solutions in energy integration, modern data center design, and scalable approaches. The agenda includes presentations from leading experts, demonstrations of new technologies for thermal management and grid optimization, and detailed discussions on AI's environmental impact and how to reuse generated heat.

This event begins Nov. 18 at the Double Tree Hotel at Greenway Plaza. Register here.