and other officials bow at the start of a news conference in the company's headquarters early Saturday. KYODO PHOTO

The Ministry of Economy, Trade and Industry announced Friday that Rinnai's RUS-5RX and RUS-51BT models have caused five cases of carbon monoxide poisoning since 2000, killing three people and sickening 12 others. Ventilation is needed for these models because they release exhaust gas into rooms.

Our Planet

The Gas Pavilion had welcomed around 500,000 visitors by the end of August, making it one of the most popular exhibits at the Osaka Expo.
At Osaka Expo, gas giants promote a greener future. But is it a lot of hot air?

Longform

Once smoky, male-dominated spaces, today's net cafes, like Kaikatsu Club, are working to make their operations more attractive to women customers.
The second life of Japan's net cafes