Bloomberg Mounting concern about carbon emissions may be altering travel habits in Europe’s largest economy as figures from German airports show a steady decline in passengers taking domestic flights. The number of people flying between German cities fell 12% in November from a year earlier, according to the ADV industry group, marking a fourth straight monthly drop and mirroring a …

Bloomberg Airbus SE is in discussions with General Electric Co. and Safran SA’s airplane CFM International unit to increase supplies of its engines as Boeing Co. halts production of the beleaguered 737 Max narrow-body, reports said. The engine maker is seeking to ramp up production of the 1A variant of the CFM LEAP engine, which is used on the A320neo …

Bloomberg American Airlines is canceling reward trips and seizing miles, joining partner Citigroup in cracking down on customers who take advantage of the carrier’s loyalty program by opening multiple accounts. Some customers have started complaining in recent weeks on Twitter and a popular Reddit site for people who make a hobby of signing up for credit cards, either properly or …