 Mortgage rates have eased again this week. Freddie Mac puts the 30-year average at 6.86%, down from 6.87. It's the fourth straight weekly drop. Private company has an idea to help with traffic congestion. Uber is planning to give $1,000 to people who volunteer to give up their cars for five weeks. The money is intended to be used for rideshares, but also public transit, car rental, and scooter and bike share programs.