With an assigned time and path, these lightweight, self-guided cars would proceed steadily through crowded intersections without all the stop-and-go that chokes roadways and saps fuel efficiency.
It grows in intensity and cost every year, and it saps us of important resources that should be devoted to more important crime-fighting such as human smuggling, or to drug treatment.
Data from the portal have proved what many had suspected: that the decades-old practice of releasing music to radio weeks before putting it on sale feeds piracy and saps sales.