Agreed. Permanent magnet synchronous motors are just one kind of traction motor. There are alternatives out there that don't require rare earth magnets. See thi

Agreed. Permanent magnet synchronous motors are just one kind of traction motor. There are alternatives out there that don't require rare earth magnets. See this nice table: http://en.wikipedia.org/wiki/Electric_motor#Categorization http://en.wikipedia.org/wiki/Electric_motor#Categorization