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Francisco Kjolseth | The Salt Lake Tribune Traveling fuel free, Andy Schoenberg, a retired bioengineering prof from the Universi Francisco Kjolseth | The Salt Lake Tribune Andy Schoenberg, a retired bioengineering professor from the University of Utah and a Francisco Kjolseth | The Salt Lake Tribune It may not go 120 mph but at an estimated cost of 1 cent per mile the Ecotrike solar Francisco Kjolseth | The Salt Lake Tribune Andy Schoenberg, a retired bioengineering prof from the University of Utah and a form Francisco Kjolseth | The Salt Lake Tribune Andy Schoenberg, a retired bioengineering professor from the University of Utah and a Francisco Kjolseth | The Salt Lake Tribune Andy Schoenberg, a retired bioengineering professor from the University of Utah and a Francisco Kjolseth | The Salt Lake Tribune Andy Schoenberg, a retired bioengineering professor from the University of Utah and a Francisco Kjolseth | The Salt Lake Tribune Andy Schoenberg, a retired bioengineering prof from the University of Utah and a form