Aeva (AEVA) 8-K Aeva and InterPrivate Acquisition Corp. Announce Closing of Business

Exhibit 16.1

March 18, 2021

Office of the Chief Accountant

Securities and Exchange Commission

100 F Street, NE

Washington, D.C. 20549

Ladies and Gentlemen:

We have read the statements made by InterPrivate Acquisition Corp. included under Item 4.01 of its Form 8-K dated March 18, 2021. We agree with the statements concerning our Firm under Item 4.01. We are not in a position to agree or disagree with other statements contained therein.

Very truly yours,

MarcumLLP

New York, NY