Undervalued renewable energy stocks are struggling. Companies are canceling projects as prices spiral out of control. Auto companies like General Motors (NYSE:GM) and Ford (NYSE:F) are delaying electric vehicle rollouts because of slowing demand. Solar companies are seeing massive reductions in homeowner demand. In fact, demand for solar panels in California is down 80%. The fallout can be seen in exchange-traded funds like Invesco WilderHill Clean Energy (NYSEARCA:PBW). It’s down nearly 51% in a year. Shar ...