Dave Earnshaw

Stephanie Joyce

Many retired people take up a hobby -- knitting, bird watching, bingo. But two Laramie retirees have decided to spend their days in pursuit of a decidedly less mainstream pastime: solving the energy challenges of our time. Wyoming Public Radio’s Stephanie Joyce has the story.

STEPHANIE JOYCE: It’s a sunny fall day, and Dave Earnshaw is standing outside the central energy plant at the University of Wyoming, staring out over the empty field that sits next to it.