Star Tribune | Walker Orenstein, May 29 CLEAR LAKE, MINN. — Sheep clambered out of a trailer, rushed down a ramp and spilled into a field of knee-high grass covered by rows of solar panels. Some leaped as they exited, joining the chorus of bleats and laughter from the humans watching. The animals deployed ThursdayContinueContinue reading “Xcel lets loose a small army of hungry sheep to keep its solar farm in order”