A geothermal study in Yuzawa, Akita Prefecture, being carried out with the aim of starting a geothermal power generation business. (Photo: Motoyuki Kawashima)
Geothermal energy becomes 'hot' following nuke accident
Even though Japan is sitting on the world's third largest reserve of geothermal resources, after the United States and Indonesia, this power source always remained in the shadow of cheaper nuclear and thermal power plants.
Indonesian technicians receiving training at the Hatchobaru geothermal power plant (Photo: Tomooki Yasuda)
Japanese companies seek power opportunities overseas
This summer, six expert staff members from Indonesia's Ministry of Energy and Mineral Resources visited the Hatchobaru geothermal power plant, at the foot of the Kuju mountain range.
A pipeline running to a geothermal power plant in The Geysers. Steam brought up from underground powers hydroelectric turbines. (Photo: Tomooki Yasuda)
United States: Overdevelopment leads to troubling steam shortages
We had been driving for an hour, and no matter how far we went a pipeline filled with steam for power generation kept hugging the mountainside.
Iceland's giant outdoor hot spa, Blue Lagoon. The Svartsengi geothermal power plant is faintly visible in the distance. (Photo: Seiji Okuyama)
Iceland: A nation sustained by underground power
Amid a black volcanic plain, a pale glow radiates from what looks like a resort island. About a 20-minute drive from Iceland's international airport, Blue Lagoon is a 5,000-square-meter outdoor hot spa that could be mistaken for a lake.
An artist's rendition of a 50-megawatt solar power station planned in Tahara, Aichi Prefecture (Provided by Mitsui Chemicals Inc.)
Companies plan Japan's largest solar power station
Mitsui Chemicals Inc., in tandem with group companies and other partners, plan to spend 18 billion ($235 million) to build what is expected to be Japan's largest solar power station.
The coral reef Acropora nasuta that has flourished on special blocks offered by JFE Steel Corp. (Provided by JFE Steel Corp.)
JFE Steel says coral reefs flourishing on its blocks
Major steelmaker JFE Steel Corp. has confirmed that coral reefs are flourishing in the sea on construction blocks made of slag it started offering 13 years ago for the purpose.
Nissan's New Mobility Concept, a two-seat electric vehicle (Nissan Motor Co.)
Nissan to field-test two-seat electric vehicle
Nissan Motor Co. said it will conduct field tests of its New Mobility Concept two-seat electric vehicle starting after Oct. 15.
A "quiet" vendor's stall that operates on a battery used in Nissan Motor Co.'s Leaf electric vehicles is on display Oct. 4 at Ceatec Japan exhibition in Chiba's Mihama Ward. (Yukio Hashimoto)
Electric battery spells end of noisy vendor stalls
Namco Bandai Games Inc., a major videogame company, has developed a "quiet" vendor stall using a battery from Nissan Motor Co.'s Leaf electric vehicle.
Toto Ltd.'s "Toilet Bike Neo." (The Asahi Shimbun)
Toto thinks outside the bowl
A publicity stunt by Japan's leading toilet maker is plumbing new depths in corporate attention-seeking: a one-month, cross-country trip by a bizarre motorcycle mounted with a toilet.
The dining room of Shoji Moriguchi's home in Otsu, Shiga Prefecture. Family members say that they don't need to turn on the lights during the day because the Skylighttube keeps the room bright enough. (Kazumi Tako)
Natural lighting system is brightening Japan
OTSU -- When Shoji Moriguchi had the Skylighttube installed in the ceiling of his home in Otsu, Shiga Prefecture, in 2004, it was like turning night into day.
The Subaru Impreza compact sedan (photo based on U.S. specifications), which Fuji Heavy Industries Ltd. plans to release by the end of this year. (Yukio Hashimoto)
Fuji Heavy Industries to improve fuel-efficiency by 30%
Fuji Heavy Industries Ltd. says it plans to make all its auto models 30 percent more fuel-efficient by 2015, compared with 2010 levels.
Toyota's new hybrid gets 40 km per liter
Aqua, the new compact hybrid to be released by Toyota Motor Corp. in January, will get slightly shy of 40 kilometers per liter of gasoline, making it one of the world's most fuel-efficient vehicles.
A hydraulic generator made by Seabell International Co. is installed next to Yodogawa-Ozeki dam in Osaka. (Saki Mizoroki)
Flowing water resurfaces as untapped power source
Water wheels began disappearing from the landscape with the advent of steam engines, but, as Japan searches for alternative power sources in the wake of the Fukushima No. 1 nuclear plant disaster, flowing water is once again being eyed as a power source.
Koichi Ina, president of Daihatsu Motor Co., unveils the Mira e:S minivehicle in Tokyo on Sept. 20. (Hiroki Endo)
Daihatsu unveils model with highest mileage among gas-powered vehicles
Daihatsu Motor Co. has released a super fuel-efficient minivehicle that gets 30 kilometers to a liter of fuel to woo customers away from hybrid and electric cars.
A pair of quetzal build a nest in a tree on a coffee farm in Boquete, Panama. (Teruo Kashiyama)
Sustainable coffee aids environment while helping farmers
A guide at a coffee farm in Boquete in western Panama whispered, "You are very lucky to be able to see that bird so soon."
Yasushi Kimura, president of JX Nippon Oil and Energy Corp., announces the planned release of a new model of the Ene-Farm household fuel cell system in Tokyo's Chiyoda Ward on Sept. 15. (Tetsuo Kogure)
JX to upgrade Ene-Farm household fuel cell system
JX Nippon Oil and Energy Corp. on Oct. 17 will release an updated version of its popular Ene-Farm household fuel-cell system that both generates electricity and heats water using gas.
Kansai Electric Power Co.'s solar power plant in Sakai, Osaka Prefecture (Asahi Shimbun file photo)
Study: World's renewable energy industry to triple in 2020
The industry ministry is set to help Japanese companies regain their competitiveness in the global renewable energy industry, which is expected to grow nearly threefold to about 86 trillion yen ($1.1 trillion) in 2020.
Offshore wind farms are gaining popularity in Europe. The photo shows a wind farm off Copenhagen. (Asahi Shimbun file photo)
MHI eyes opportunities in offshore wind farm market
Mitsubishi Heavy Industries Ltd. is moving to become a big presence in the offshore wind farm market, both in Japan and overseas.
Tomas Kaberger (Toshiyuki Takeya)
Head of green energy group eager to make impact in Japan
All it took was dinner, and Sweden's Tomas Kaberger found himself with a new gig.
Panasonic Corp.'s new product presentation in Tokyo's Minato Ward on Sept. 6 (Kazuki Kimura)
Release of 'setsuden' products to continue into winter
For Japanese electric appliance makers, the period of "setsuden," or saving electricity, will continue into this winter, at least as far as their products are concerned.