Featured in the Media

Various media outlets have featured our recent initiatives.

■Hiroshima Home TV

“Recovering CO₂ from Exhaust Gas: Demonstration Experiment Using Algae for Carbon Recycling”

■The Chugoku Shimbun

“Cultivating Algae Using Incinerator Exhaust Gas: Four Companies, Including Two from Hiroshima, Launch Demonstration Trials Aiming for Wider Adoption in Setouchi Factories”

■VOIX SDGs

“PtBio Launches Demonstration Project for a Low-Cost Seed Algae Production System to Advance Carbon Recycling”

■3rd News

“From Hiroshima: Carbon Recycling Paving the Way Toward a Future Circular Resource Society!”

■Hiroshima Economic Report

December 4, 2025 Issue

“PtBio and Tsuneishi Group Utilize Exhaust Gas to Culture Microalgae”

(Published with permission from the respective publishers.)

PtBio Inc. (Headquarters: Higashi-Hiroshima, Hiroshima; CEO: Keisuke Okuhara) has launched a demonstration project in collaboration with Tsuneishi Kamtecs Corporation (Headquarters: Fukuyama, Hiroshima; President: Fumio Kambara), Phytolipid Technologies Co., Ltd. (Headquarters: Yokohama, Kanagawa; CEO: Hiroyuki Ota), and Leave a Nest Co., Ltd. (Headquarters: Shinjuku, Tokyo; President & COO: Shuichiro Takahashi).

The Project aims to establish a cost-efficient production model for seed algae by cultivating the microalga Nannochloropsis in outdoor environments using flue gas emitted from Tsuneishi Kamtecs’ incinerator facilities.

[Read more here (PR TIMES)]

A joint press conference by the four participating companies was also held in Hiroshima City on November 27.

We would like to extend our sincere appreciation to all members of the press who attended.