The Saudi Arabian authorities have announced the launch of the world's longest unmanned metro system. Three lines of the new transportation system have already started their work in the capital of the country. The system includes 85 stations. The new transportation system is designed for a daily passenger flow of 3,600,000 people. It is designed to reduce congestion on the capital's surface roads

Mazda plans to release a new electric SUV equipped with a Wankel rotary engine by 2027. This was confirmed during the company's recent announcement. The Wankel engine, which was previously used in Mazda's MX-30 R-EV model, will work as a generator. It does not involve a direct connection to the wheels, which sets it apart from traditional rotary engines. Mazda's development team is also exploring