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I was about to post the same link, however, I also wanted to ask: while history (e.g. steam engines and obsolete technology is of interest) even the current technology seems to be lagging in the U.S. Why hasn't most of the current motive power not employ any energy storage devices? For example, why not have dynamic breaking that stores power in a fly wheel for tapping for latter acceleration? What about ceramic coating of internal engine surfaces to either lower efforts in engine cooling or its elimination? Moreover, suppose the latter where used, the engine horse power could be lowered by also tapping and draining the energy content of the very high temperature exhaust. Suggestions: very high ratio turbo charging, driving fly wheels and at least powering a generator to store partially as chemicalicaly convertable power in batteries. Steel rail and rails alone with lower friction will not suffice even though still inherently more efficient than the competition. Fuel costs are now on a continuous rising trend unless significant savings are soon instituted or other non-fossil fuel production developed. Steam engines are impressive, as are some diesel units, but I would rather not put up with their environmental damage and health side effects inflicted. When is Trains Magazine going to show some real interest in more forward looking technology?
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