Energy & Green Tech

The demise of the internal combustion engine

The Ford Model T did not end the horse, but it did replace it as America's primary means of transportation. Just as people still love and ride horses, so too will people love and ride their old jalopies. But starting in 2035, ...

Business

UnitedHealth, Amazon are among bidders for Signify

Signify Health Inc. soared the most since its shares started trading last year as UnitedHealth Group Inc., Amazon.com Inc., CVS Health Corp. and Option Care Health Inc. competed to acquire the home-health technology and services ...

Business

Elon Musk says he's terminating Twitter deal, board to fight

Elon Musk announced he will walk away from his tumultuous $44 billion offer to buy Twitter, leaving the deal on the verge of collapse. The Tesla CEO sent a letter to Twitter's board Friday saying he is terminating the acquisition.

Business

US senators call for close look at TikTok

Leaders of the US Senate Intelligence Committee on Tuesday called for an investigation into whether Chinese officials are getting access to data about US users of video-snippet sharing sensation TikTok.

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