Maglevs produce little to no air pollution during operation, because no fuel is being burned, and the absence of friction makes the trains very quiet (both within and outside the cars) and provides a very smooth ride for passengers.

Magnetic levitation (Maglev) trains do not use fuel in the traditional sense; they do not have internal combustion engines and do not carry tanks of diesel or gas. Instead, they are powered entirely by electricity. The propulsion comes from a sophisticated system of electrified coils in the track (guideway) and magnets on the train. These create a magnetic field that both "levitates" the train above the track and "pulls" it forward. Because there is no friction between the train and the track, Maglevs are incredibly efficient at high speeds. In 2026, as the world moves toward green energy, the "cleanliness" of a Maglev train depends on the source of the electricity it draws from the grid. If the local grid is powered by wind, solar, or nuclear energy, the train operates with zero direct carbon emissions, making it one of the most sustainable forms of high-speed mass transit ever developed.