"All I can hear every time I think of Zoom is that song of my generation, 'Who's Zoomin' Who?'" Biden said.

"Well, I'd refer you to about a dozen interviews I've given today," Buttigieg said in the embarrassing video clip.

The former mayor of the fourth-largest city in Indiana has faced criticism for not visiting the site earlier, including from Donald Trump.

This congressman was quite critical of the transportation secretary's response to the disaster in East Palestine.

Biden's transportation secretary Buttigieg sought to pin some of the blame for the accident on a rule change during the Trump administration.

"The Department will examine whether cancellations were controllable and if Southwest is complying with its customer service plan."

On Tuesday, all 50 states were given the word to start construction on the first nationwide network of EV charging stations.