Uber says the alternative plan would raise more money for the cash-strapped city in a more equitable way.
Uber wants to catch up to Waymo in the development of software to install in cars for driverless taxi services.
Uber faces huge losses as it is currently struggling to win investor confidence.
Uber layoffs: Around 10% employees of cab aggregator in India lose jobs in global retrenchment drive
Uber CEO Dara Khosrowshahi announced the layoffs in a company-wide email.
The fall in shares comes after the renewed trade tensions between the United States and China
Uber's market debut sours most anticipated IPO since Facebook; only about a fifth of IPOs have ended first day of trading in red
Uber's IPO was a watershed moment for the decade-old company, which was started after its founders struggled to find a cab on a snowy night.
Uber asked a U.S. court to dismiss a lawsuit filed by an alleged rape victim in India's capital, saying the ride-sharing company could not be held legally responsible for the driver's acts.