But often even that is not enough. Some concepts just don't work economically. In that case, the starry-eyed waste money, often public money, which is really bad if it could have been spent on something else less impressive but still modern and sensible. A modern high-speed train, or a suburban train locomotive with the latest permanent-magnet synchronous motors under its hood, or a track-changing tramway, or a linear motor subway might cause less starry eyes, but they are no less modern and make much more sense.

_{*Lunatic*, n.
One whose delusions are out of fashion.}

Actually, while mechanical friction is reduced, a larger magnetic friction takes its stead.

_{*Lunatic*, n.
One whose delusions are out of fashion.}