Critics said the collection rate should be higher.
The changes approved by Congress last year have yet to take effect.
New Mexico is accusing the automaker of willfully and deliberately breaking the law.
Attorney General Kamala Harris, who is running for Senate, is leading the investigation.
Safe integration of drones into national airspace is one of the policy challenges of 2016.
Trump spoke at an event hosted by the Iowa Renewable Fuels Association.
Hillary Clinton has accused Bernie Sanders of voting "to let guns go onto the Amtrak."
The study says states are too focused on "new and wider highways" that aren't needed.
DOT officials want to ditch a safety rating system that has been in place since 1982.
Automakers and regulators have been under fire for a series of recalls.
The GOP presidential candidate said overseas profits should be taxed at an 8.75 percent rate.
There is no indication the technical troubles are linked to hackers.
"This is the crowd that was dead set against betting on you," he says of the GOP field.
Nations including Afghanistan and Iraq saw elevated numbers of citizens overstaying their time.
"American automakers have added more than 640,000 jobs since mid-2009," Obama said.
The agency is allowing the Dallas Cowboys to fly drones over its training facilities.
The FAA is considering rules for a widespread expansion of drone use.
GOP leaders have called for a new nongovernmental agency that would take over air traffic control.
The bus was traveling on U.S. Highway 101 in the San Jose area when it flipped on its side.
Tech groups fear a patchwork of state laws could stifle development.
The president is expected to highlight the turnaround in the U.S. auto industry.
"We need more jobs and we need good jobs," Clinton says.
The money will "accelerate the development and adoption of safe vehicle automation."
The NTSB included the technology in its 2016 "Most Wanted" list.