Rivian subscriptions, MPG lessons, Ram EcoDiesel drive: Today’s Car News

Tesla Lane Departure Avoidance screenWe drive one of the highest-mileage light-duty full-size pickups. An analysis of fuel economy across the entire U.S. fleet points to how reality lags regulation. And Rivian is looking at subscriptions. That and more, here at Green Car Reports. Comments from Rivian CEO RJ Scaringe suggest that the electric truck hopeful is considering a...