A pair of Democratic U.S. senators demanded answers Feb. 8 from Tesla Inc. about a feature of its so-called Full Self-Driving system that permitted its vehicles to slowly roll through intersections without stopping as well as complaints about cars that suddenly brake at high speeds.

Tesla Inc. is disabling a feature of its so-called Full Self-Driving system that permitted its vehicles to slowly roll through intersections without coming to a complete halt when no other cars or pedestrians were present.

The National Highway Traffic Safety Administration rejected a 2019 petition to open a formal investigation into Tesla Inc.’s battery management software, according to documents posted to the agency’s website.

The top U.S. auto safety regulator sent letters to 12 automakers as part of its investigation into Tesla Inc.’s Autopilot system and a dozen collisions at crash scenes involving first-responder vehicles.

Two U.S. senators are urging the Federal Trade Commission to investigate whether Tesla Inc. uses deceptive marketing practices by labeling its driver-assistance systems “Autopilot” and “Full Self-Driving.”

Rep. Peter DeFazio, the Democratic chairman of the House Transportation and Infrastructure Committee, blasted the Senate’s bipartisan infrastructure deal, saying there are “extraordinary deficiencies” in the plan that is backed by President Joe Biden.

Senate Majority Leader Chuck Schumer and Transportation Secretary Pete Buttigieg vowed to advance a long-delayed rail tunnel connecting New York and New Jersey using money expected to be appropriated this year.

The debate over how to pay for the nation’s roads, bridges and transit systems is leading some normally anti-tax Republicans to embrace higher levies on motorists — even a new one based on miles driven instead of fuel purchased.

Automakers want a portion of the money Congress approved for addressing the global semiconductor shortage to be reserved for vehicle-grade chips — warning of a potential 1.3 million shortfall in car and light-duty truck production in the U.S. this year.

The Biden administration is prioritizing the Gateway rail tunnel project between New York City and New Jersey with urgency because of its “national significance” to the economy, Transportation Secretary Pete Buttigieg told lawmakers.