TOKYO—Toyota Motor is planning to invest around $1.3 billion to set up two new assembly plants in Mexico and China, marking an end to a three-year expansion freeze.

TOYOTA CITY, Japan—Toyota Motor Corp. plans to adopt a modular manufacturing strategy that will allow it to operate smaller assembly lines.

AICHI, Japan—Toyota has unveiled a new assembly line here for its Mirai sedan, which is powered by hydrogen fuel cells. The line is expected to produce 700 units this year, expanding to 2,000 units in 2016 and 3,000 units in 2017.

TOKYO—Toyota Motor Corp will change the way it pays factory workers, focusing on their performance rather than their seniority. Toyota’s new arrangement, designed to attract young talent, will apply to about 40,000 employees, or about 60 percent of its workforce.

TOKYO—Toyota’s North American manufacturing facilities saved 93.3 million gallons of water in 2014.

ANN ARBOR, MI—Toyota Motor Corp. will invest $126 million in its Ann Arbor Technical Center to expand powertrain operations and consolidate vehicle development operations at a new facility on its York Township campus.

SAN ANTONIO—The ranks of military veterans keep growing at Toyota’s assembly plant here. Since 2010, the plant has hired more than 40 veterans to work on its maintenance staff alone. Veterans account for 20 percent of the plant’s skilled maintenance force, company officials said.

PRINCETON, IN—Toyota plans to invest $100 million to expand its assembly plant here, creating up to 300 new jobs by 2016.

BUFFALO, WV—Human resource company Manpower is seeking to fill jobs at Toyota’s assembly plant here.

BUFFALO, WV—A former employee at the Toyota assembly plant here is accusing the company of wrongly firing her for seeking medical leave to address her methamphetamine problem.