Clean technology has been a prominent part of campaign rhetoric, with President Barack Obama supporting tax incentives for the industry and Republican candidate Mitt Romney pointing to concerns over such investments as solar power company Solyndra. Meanwhile, the wind energy industry is already shedding jobs as a result of the uncertainty over the wind-energy Production Tax Credit, observers said. "They literally have scarcely any orders for next year. That means we could see not just layoffs but plant closures," said Peter Kelley, vice president of public affairs for the American Wind Energy Association.