https://www.siliconvalley.com/2020/09/22/elon-musk-expected-to-use-tesla-battery-day-to-argue-for-the-end-of-combustion-engines/

Tesla Inc. CEO Elon Musk on Tuesday is scheduled to showcase the company’s advanced battery technology, with investors expecting he will outline how the company’s electric vehicles will surpass the cost and convenience of internal combustion engines.

As automakers shift from horsepower to kilowatts to comply with stricter environmental regulations, investors are looking for evidence that Tesla can increase its lead in electrification technology over legacy automakers who generate most of their sales and profits from gasoline-powered vehicles.