Sergey, I don't understand the first part of your question.  I can say, however, that the system we designed for a medium sized US city would save them $1,000,000 per year and still leave the project owners a like amount.

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Sergey, I don't understand the first part of your question.  I can say, however, that the system we designed for a medium sized US city would save them $1,000,000 per year and still leave the project owners a like amount.