They say DOT should be able to fine automakers that violate the Clean Air Act.
Takata has been accussed of "widespread manipulation" of air bag inflation tests.
A report cites "numerous internal documents and emails."
The FAA's Feb. 19 deadline to register drones has passed.
Airlines have until March 2 to apply to operate Cuba flights.
Airlines will have until March 2 to apply to operate Cuba flights.
The measure would place air traffic control outside the FAA.
Rest time between flights would be increased from eight to 10 hours.
An amendment would require airlines to sit families together in most cases.
An amendment would exempt drones smaller than 4.4 pounds from the upcoming regulations.
A proposal calls for measuring the timeliness of railways only at the end points of train routes.
Airlines are now required to include taxes and fees in price quotes.
"This terrible anti-safety, anti-worker provision is a poison pill," Sen. Barbara Boxer said.
The Surface Transportation Board is moving to reverse a mandate that favors passenger trains.
The International Civil Aviation Organization is enacting an "interim" ban on April 1.
The lawsuit argues that federal law prohibits the FAA from regulating recreational drones.
The group has concerns about the cost and size of the proposal.
The FAA has set a Feb. 19 deadline for drone registrations.
A lawmaker took a puff from a nicotine vaporizer during the hearing.
Duncan Hunter's move was in protest of a proposed ban on e-cigarettes on airplanes.
Lawmakers accuse the airlines of "cutting costs by shrinking seat sizes."
A GOP amendment would nullify a requirement that airlines include taxes and fees in price quotes.
The FAA has issued a safety alert about the risk devices causing potential fires.
Republicans are pushing to create an independent flight navigation organization.