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The national average diesel price dropped for the fifth consecutive week, falling 4.6 cents to reach $3.848 a gallon, according to Energy Information Administration data released May 13.

As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation.

Superpowers led by the U.S. and European Union have funneled $81 billion toward cranking out the next generation of semiconductors, escalating a showdown with China for chip supremacy.

NHTSA has opened an investigation into Zoox, the autonomous vehicle subsidiary of Amazon.com Inc., after two incidents in which its SUVs suddenly braked and were rear-ended.

Senate Majority Leader Chuck Schumer this month touted the chamber’s evaluation of the White House’s budget request for fiscal 2025.

Federal authorities have indicted two individuals in the 2020 murder of Cornelius Garrison, a fellow participant in staged accidents with tractor-trailers who was cooperating with the FBI.

WASHINGTON — A House panel this month will review concerns associated with efforts at the Port of Baltimore, where crews will eventually rebuild the Francis Scott Key Bridge.

A new Idaho law takes effect July 1 allowing commercial vehicles to idle when drivers are resting inside and also when perishable goods are being delivered.

DETROIT — Federal highway safety officials want Tesla to tell them how and why it developed the fix in a recall of more than 2 million vehicles equipped with the company’s Autopilot system.