The boss of Germany’s state-owned railway Deutsche Bahn, which has been plagued by chronic delays and unhappy passengers in recent years, switched to travel by car and aeroplane for several business trips last year, the Transport Ministry said on Wednesday. Richard Lutz, the chief executive of Deutsche Bahn, travelled by car on seven business trips in 2023 and flew three times, the ministry said in response to a parliamentary enquiry by the centre-right opposition Christian Democrats (CDU). Deutsche Bahn said executives at the railway generally rode the train for work travel in 2023, but occas…