All Trains, freight or Passenger can cut huge costs by using a steam catapult to start them moving. 80% of fuel costs on Trains are getting it rolling.
I used to use distilled water in a tiny hydrogen converter in my car I used for work. This did improve the fuel economy about 6%. That car had a carburetor. (87 Nissan Sentra).
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather
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