DETROIT — Nissan said Friday that it will no longer support the Trump administration in its legal fight to end California's ability to set its own auto-pollution and gas-mileage standards.

The announcement is another sign that a coalition of automakers backing the outgoing administration could fall apart. General Motors ended its support for the Trump administration's battle with California on emissions standards last week.

The Japanese government plans to subsidize operators of public transportation systems to help them introduce new anti-virus measures and cashless payment systems.

Operators of buses, railways and taxis are struggling amid the coronavirus pandemic. Despite the financial difficulties, some of them are keeping their timetables unchanged so as not to inconvenience local residents as well as medical workers.

Japan's Prime Minister Suga Yoshihide has told UN Secretary-General Antonio Guterres that his country will continue to work with the United Nations in the fight against the coronavirus.

Suga and Guterres held a teleconference for 20 minutes on Thursday morning.

Researchers using Japan's latest supercomputer say they have found that some face masks can help block viral droplets, but thorough room ventilation is still needed to prevent the spread of the coronavirus.

A team from the RIKEN research institute led by Kobe University Professor Tsubokura Makoto studied the effectiveness of masks against viral droplets emitted by others while sneezing, coughing or other means. They used the next-generation supercomputer Fugaku.

There are growing concerns about the long-term spread of coronavirus infection in Africa. The number of confirmed cases on the continent has topped 1 million. Japan has been helping Africa deal with the pandemic.

The Noguchi Memorial Institute for Medical Research is located in Ghana. The Institute was founded more than four decades ago with Japanese aid.

Prime Minister Abe Shinzo has told the governor of Osaka Prefecture that the government will work together with local authorities to curb coronavirus infections.

Abe met Governor Yoshimura Hirofumi on Tuesday at the prime minister's office and discussed measures against the virus.

When it comes to full frame mirrorless cameras, it’s hard to deny that Sony has pretty much the market cornered. However, in the past few years, we’ve started to see more efforts from other camera makers looking to challenge Sony’s position on the throne, and it looks like Canon might have a potential camera that could rival Sony.

The company has officially announced its latest full frame mirrorless camera in the form of the Canon EOS R6. The camera will come with a 20.1MP full-frame CMOS sensor and DIGIC X image processor, and if you’re wondering why this sounds familiar, it is because this is the same sensor used in Canon’s flagship EOS-1D X Mark III DSLR camera, so you should be able to expect similar performance, but in a smaller package.

Japan is joining international efforts to help Pakistan control locust swarms that are damaging crops.

Japan's government says it plans to work with other parties, including Japanese aid groups, to provide insecticides to Pakistan.

Japan's top figure skater, Hanyu Yuzuru, has uploaded video of his performances to encourage people coping with the coronavirus pandemic.

The three-part series lasting about five minutes in total was posted on Wednesday on the official Twitter account of the Japan Skating Federation.

The new-gen Toyota Supra may have BMW blood running through its veins, but that's not enough to pose a threat to the M4 Coupe in stock form. Add a few aftermarket parts though, and the scale starts tipping, but is that enough?

An IT firm in Tokyo and health care experts have launched an online fund to support medical institutions and groups struggling to curb the spread of the coronavirus.

Anyone can donate 1,000 yen, or about 10 dollars, and up through a crowd-funding website operated by IT firm READYFOR.

Too much time free time with nothing to do? Toyota comes to the rescue with a series of templates that can be cut and glued together to create miniature GT86 paper models.

The Japanese government is expected to decide on a set of basic guidelines to fight the coronavirus as early as Saturday.

Prime Minister Shinzo Abe instructed a new government task force on Thursday to create such guidelines. The task force was established based on a new law that allows the prime minister to declare a state of emergency.

Up until now, it's mainly been the Big Three domestic automakers committing to manufacture medical supplies for the fight against coronavirus in the United States. Today, Toyota has pledged to join in by saying it will produce masks and face shields. It also has plans to help boost the production capacity of ventilators and respirators with at least two unnamed companies.

Ted Ogawa, incoming CEO of Toyota Manufacturing of North American said this in a statement: