The bill authorizes an unprecedented $12 million a year for five years to prevent mothers' deaths during and after childbirth, which happen at alarming rates in America.
Musk called his project still "a little rough around the edges." The system's first test drivers described a bumpy ride at less than optimum speeds.
The modifications are expected to significantly speed up the time it takes a child to be matched with a sponsor
"Reputable" charities will receive money from the Trump family’s charitable organization, which was formed in 1987.
The House is expected to take up the Senate version of the bill at a later date before sending it to the president.