^Interesting and informative info in the link above.
http://www.lohud.com/article/20111205/N ... inter-gear
^Brief, fair use quote follows:
When the snow flies and the ice forms, Metro-North Railroad will have a bigger arsenal of new equipment to fight back than it had for last winter's storms.
Its foul-weather weaponry now includes three recently purchased Rolls Royce jet engines that they'll use to blow snow away.
The turbine engines produce exhaust at 600 degrees Fahrenheit to not just melt snow but vaporize it. But replacing older turbine engines is just one part of the railroad's armory, which also includes five cold-air snow blowers — up from three last year — and 150 new heaters to melt snow and ice around switches and interlocking tracks to allow them to operate smoothly.