A report said that Chao had used her office's staff to conduct personal tasks and promote a shipping business owned by her father and sisters that does extensive business in China.
Senate GOP Leader Mitch McConnell will vote to acquit former President Donald Trump, he told colleagues on Saturday.
The pair both left their posts following the recent violence at the Capitol, citing the chaos in messages announcing their departures.
In announcing her resignation, Chao said the previous day's violence "deeply troubled me in a way that I simply cannot set aside."
The nominees include several conservative Trump donors and a failed ambassadorial nominee who was accused in 2019 of colluding with the RNC in a suspected pay-to-play scheme.
A shipping business Transportation Secretary Elaine Chao's parents launched more than 50 years ago received at least $350,000 in PPP loans, according to data released by the Small Business Administration.
Ocasio-Cortez said Trump's comments that he was open to accepting foreign help for "dirt" on 2020 rivals shows members of Congress have a "duty" to at least consider impeachment.
Some ethics experts believe Chao should be impeached for reportedly using her official capacity to help secure millions of dollars in federal money for McConnell's home state.
Secretary Chao is hardly the first Trump administration official to come under fire for way they've handled their ethics agreements.
"Enough is enough. Chao is allowing corporations to run roughshod over American safety," said Lizzy Price, spokesperson for Restore Public Trust.
"The cars of the near future won't have a wheelbase or driver side rearview window, they will look like living rooms," the transportation secretary said Monday.
Andrew Wheeler champions the deregulation of national automobile fuel economy and greenhouse gas standards for all new automobiles produced in the U.S.
They're following the exhortations of Maxine Waters, who said: "You tell them they're not welcome anymore, anywhere."
For the last seven years, Gordon Hartogensis has been running his family's trust, according to his LinkedIn profile.
The candidate, who previously called McConnell's father-in-law a "Chinaperson," talks over a country melody in the political ad.
Some investors have questioned how soon Trump's pro-growth policies may be implemented.