The Tesla boss said he will construct the 129-megawatt battery to shore up the electricity network in the state of South Australia.
Under the plan, the country would see gas and diesel cars phased out by 2040
The deal will cover a market of 637 million people -- and more than a quarter of the global economy.
Japanese Foreign Minister Fumio Kishida is set to finalize a broad agreement on a free trade deal with the European Union this week, before its expected official announcement.
U.S. President Donald Trump has been nothing if not open about his pledges to take a different tack on the world stage, putting "America First" and downplaying long-standing multilateralism.
Samsung reportedly had come under pressure from environmentalists to reuse the parts rather than dispose of them.
Investors fear the firm is flailing as debts mount, which led to it being demoted to the second tier of the Tokyo exchange last week.
US says 11% of fresh beef products from Brazil had failed safety tests -- more than the 1% average worldwide.
Travis Kalanick resigns after months of criticism about the company's workplace culture -- including claims of sexual harassment.
The charges for Barclays and four ex-staff follow a five-year investigation into the arrangements.