WASHINGTON--The Trump administration is advocating for a more balanced trade relationship with Japan as high-level economic talks with the Asian nation advance this week in Washington, according to Vice President Mike Pence.

When it comes to jewelry, copper is definitely less valuable than gold or silver. In the world of assembly, however, copper is much more in demand. Its uses range from electrical conductors in wire, to solar-cell foundations, to sheet metal products for commercial and residential applications.

Disposable or reusable? Consumers face that choice many times each day. Should we buy a bottle of water for the gym or fill a thermos at home? Should we eat dinner on paper plates or use the dishes? Which to choose depends on many factors, including convenience, cost and the environment.

Later this month, Donald Trump will be sworn in as the 45th president of the United States, and a raft of policy changes are sure to come. Among others, the president-elect has vowed to roll back proposed regulations covering power plant emissions, contending that they will hurt the economy and put U.S. industries at a competitive disadvantage.

DEARBORN, MI—Ford Motor Co. is teaming up with Jose Cuervo to explore the use of the tequila producer’s agave plant byproduct to develop more sustainable bioplastics to employ in Ford vehicles. Ford and Jose Cuervo are testing the bioplastic for use in vehicle interior and exterior components, such as wiring harnesses, HVAC units and storage bins.

MIAMI—A chemist has developed a way to make all fossil-fuel based plastics 100 percent biodegradable.

SUNDERLAND, UK—Nissan has installed a 4.75-megawatt solar farm at its assembly plant here. Together with other renewable energy sources, the farm will generate enough power to build more than 31,000 cars every year.