Feds on the case: The same year new lighting technology hit the streets, the National Highway Traffic Safety Administration ordered 24 lighting companies to cancel sales or issue recalls because the light violated federal regulation.

In their words

"Adaptive high beam systems will shade a portion of the beam around other road users, other drivers will only see low beam light in their mirrors. For older drivers, these will be a godsend."

—  Mike Hernandez, BMW lighting engineer,