Good job, everyone! We’re working harder — or at least, more efficiently. Despite a cooling labor market, we’re producing more product per hour, which has major economic benefits. In the long run, that should boost the economy and heat up hiring — hopefully. Also in this episode: The military tries lowering its aircrafts’ carbon footprint; Shanghai modernizes its e-payments for visitors; and while women are a growing Formula One fan base, they aren’t yet in the driver’s seat.