Herald News: Despite their penchant for saving money in the long run, renewable energy projects may face a slump during the economic downturn because of high upfront costs. The two most popular projects in New Jersey — solar panel installations and more recently, wind farms — are expensive even with government incentives, some of which are being pulled back. “Emerging technology and other long-range investments are often the first to suffer when the economy turns,” said Frank Felder …