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Tesla Inc. plans to manufacture a car that will cost $25,000 in about three years’ time, fulfilling an elusive long-term objective to sell a cheap mass-market electric vehicle, Chief Executive Officer Elon Musk said Sept. 22.

Tesla Inc. is planning to expand a battery-research facility in the San Francisco Bay Area.

Midtronics Inc. announced its DSS-5000 HD Battery Diagnostic Service System is available for commercial truck and fleet applications.

Germany and France set out a blueprint for a giant battery factory, advancing Europe’s bid to rival the capacity of Tesla Inc. China to supply the key part for electric vehicles.

CATL and BYD Co. saw sharp declines in sales of electrified-vehicle batteries in September as demand weakened in China, where the government is cutting subsidies in the EV sector.

China’s top maker of electric-vehicle batteries plans to spend $1.4 billion (10 billion yuan) building its first factory in the southwest of the country, adding to ambitious plans for the next decade even as the short-term EV outlook gets buffeted by subsidy cuts and demand uncertainties.

Volkswagen AG’s Audi luxury-car brand is in talks to add China’s BYD Co. as a supplier of batteries used in its premium electric vehicles, according to people familiar with the matter.

A group of U.S. senators is introducing legislation to boost domestic production of “critical minerals” that are often imported from China to make electric car batteries.

Electric vehicles and solar tend to get lumped together as partners in the climate-friendly push to phase out fossil fuels. Now they’re competing head-to-head for high-tech components that have been in short supply.