Mari Yamaguchi

Associated Press
Latest in Home
Phinergy's Aluminum-Air Generator depicted in a data center application.
How Aluminum-Air Technology Is Moving Data Center Backup Power Beyond Diesel
August 21, 2026
Location Boise Idaho Site 03
Micron Unveils $10 Billion Research Hub in Idaho
August 21, 2026
Ep591
These 3D-Printed Concrete Shelters Can Save People During Tornadoes
August 21, 2026
I Stock 2256128726
Cleveland-Cliffs Announces $1 Billion Middletown Works Investment
August 21, 2026
Related Stories
Mnet 192804 Plant Emissions Ap
Operations
U.S. Carbon Dioxide Emissions Compared
Mnet 102276 Hero
Industry 4.0
MM: Building A Reliable Wireless Factory
Mnet 192803 Coal Miners Ap
Energy
United States Coal Production In Decline
Mnet 174362 Hero 2
Industry 4.0
MM: Snake-Inspired Artificial Skin; Building Wireless Factories
More from Mari Yamaguchi
The operation floor inside the Unit 6 reactor building is pictured during a media tour at Tokyo Electric Power Company Holdings' (TEPCO) Kashiwazaki-Kariwa nuclear power station in Kariwa Village, Niigata prefecture, Japan on Friday, May 1, 2026.
Energy
Reactor Reboot at World's Largest Nuclear Plant Highlights Flaws in Radioactive Waste Plans
The restart was meant to spur a movement to bring more nuclear reactors online.
June 11, 2026
Japan's Prime Minister Sanae Takaichi speaks during a meeting with Taiwan Semiconductor Manufacturing Company's Chairman C.C. Wei at the prime minister's office in Tokyo, Thursday, Feb. 5, 2026.
Artificial Intelligence
TSMC Announces Production Location for AI Semiconductors
The company plans to make 3-nanometer semiconductors for companies like Nvidia and Apple.
February 5, 2026
Nuclear Reactor
Safety
Efforts to Restart Nuclear Reactors Face Setback
A watchdog discovered that an operator fabricated data.
January 7, 2026
A Ford F-150 truck is displayed at the Dearborn Truck Plant, April 11, 2024, in Dearborn, Mich.
Automotive
Ford F-150 Truck Could Be Japan's Key to Connecting With Trump
Japan is exploring buying more American soybeans, liquefied natural gas and autos.
October 27, 2025
President Donald Trump speaks with reporters before departing on Marine One from the South Lawn of the White House, Friday, July 25, 2025, in Washington. The President is traveling to Scotland.
Trade
Trump Says Japan Will Invest $550B in U.S. at His Direction; It May Not Be a Sure Thing
The administration said the fund would support critical minerals, computer chips and shipbuilding.
July 28, 2025
President Donald Trump speaks with reporters as he and first lady Melania Trump depart on Marine One from the South Lawn of the White House, Friday, April 25, 2025, in Washington.
Trade
Trump's Tariff Talk Makes Fragile World Economy Nervous
He says he's on a path to cut several new trade deals in a few weeks.
April 28, 2025
Japan Prime Minister Shigeru Ishiba speaks during a news conference at the prime minister's office in Tokyo, Japan, Tuesday, April 1, 2025.
Automotive
Japan's Ishiba Says He Will Push for U.S. Auto Tariffs Exemption
The higher tariffs are a worry for Toyota and Honda.
April 1, 2025
Tokyo Electric Power Company Holdings, also known as TEPCO, the operator of Japan's wrecked Fukushima Daiichi nuclear power plant, reveals a robot to be used to retrieve debris at the power plant in Kobe, western Japan, Tuesday, May 28, 2024.
Operations
A Robot Will Soon Try to Remove Melted Nuclear Fuel from Destroyed Fukushima Reactor
About 880 tons of highly radioactive melted nuclear fuel remain inside the three damaged reactors.
May 28, 2024
Japan's Prime Minister Fumio Kishida, left, and his wife Yuko Kishida participate in an arrival ceremony at Andrews Air Force Base, Md., Monday, April 8, 2024.
Laws & Regulations
Biden to Meet Japan's PM Kishida Amid Differences on U.S. Steel Deal
Japan's Nippon Steel announced that it planned to buy U.S. Steel for $14.1 billion in cash.
April 9, 2024
A South Korean tanker is seen capsized off Mutsure Island, Yamaguchi prefecture, southwestern Japan Wednesday, March 20, 2024.
Safety
South Korean Chemical Tanker Capsizes Off Japan
It was carrying 980 tons of a corrosive organic compound used in adhesives, paints and polishes.
March 20, 2024
People observe a moment of silence at 2:46 p.m., the moment the earthquake struck in Iwaki, Fukushima prefecture, northern Japan Monday, March 11, 2024.
Safety
Conditions Inside Fukushima's Melted Nuclear Reactors Still Unclear 13 years after Disaster Struck
Is the targeted decommissioning date of 2051 possible?
March 11, 2024
This aerial photo shows the logo of Daihatsu Motor at its headquarters in Ikeda, Osaka, Wednesday, Dec. 20, 2023. Toyota Motor Corp. said it's subsidiary Daihatsu will suspend shipments of all of its vehicles in and outside of Japan in a safety data fabrication scandal after an investigation found issues with 64 models that included Toyota and other brands.
Automotive
Toyota Unit Raided After Faked Tests
The safety scandal apparently persisted for decades.
December 21, 2023
In this photo provided by Japan Coast Guard, debris believed to be from a U.S. military Osprey aircraft is seen off the coast of Yakushima Island in Kagoshima Prefecture in Japan Wednesday, Nov. 29, 2023.
Aerospace
Osprey Flights Suspended after Fatal Crash of U.S. Air Force Aircraft
The U.S. Osprey crash killed at least one of the eight crew members.
November 30, 2023
The Fukushima Daiichi nuclear power plant, damaged by a massive March 11, 2011, earthquake and tsunami, is seen from the nearby Ukedo fishing port in Namie town, northeastern Japan, on Aug. 24, 2023.
Safety
3rd Release of Treated Water from Damaged Fukushima Nuclear Plant Ends Safely
The process is expected to take decades.
November 20, 2023
This aerial view shows the Fukushima Daiichi nuclear power plant in Fukushima, northern Japan, on Aug. 24, 2023, shortly after its operator Tokyo Electric Power Company Holdings TEPCO began releasing its first batch of treated radioactive water into the Pacific Ocean.
Laws & Regulations
Japan Criticizes Russian Ban on Its Seafood Following Release of Treated Radioactive Water
The wastewater discharges have been strongly opposed by fishing groups and neighboring countries.
October 16, 2023