WASHINGTON — Federal regulators have approved enhanced braking lights for a limited number of trucks over concerns that standards should first be updated before allowing the technology to expand ...

The owner of brake-lamp technology with a pulsating bulb feature intended to help reduce rear-end collisions with trucks and trailers has asked a federal appellate court to compel the Federal Motor ...

I don’t think I’ve seen so much attention to rear trailer visibility since conspicuity tape became mandatory 20 years ago. This time, however, it’s not a controversial mandate, but optional additional ...