Farley said Chinese electric-vehicle makers have already outpaced European rivals, but argued the United States can still respond before losing the same ground.
Analysts at Cox Automotive say Ford and General Motors are losing ground in part because they offer fewer hybrid vehicle options than competitors.
Automaker says changes aim to give customers more choice and boost sales of key truck models
A report from CNBC — Top News sets out the main available details, with claims kept attributed to their sources.
Transportation Secretary Sean Duffy sent a letter to Ford CEO Jim Farley questioning the automaker's business dealings with Chinese companies.
American officials have raised concerns about Ford's partnerships with Chinese firms CATL, Geely and BYD, citing security risks, according to a report by Al Jazeera.