Heading into 2018, the renewable energy industry faces an unusual degree of policy uncertainty, but it's also riding some strong tailwinds that will likely promote longer-term growth. Which policies could have the most impact on the industry in 2018 and beyond? And which factors can help drive long-term growth, despite potential policy impacts? Read about the state of the industry in Deloitte's 2018 Renewable Energy Outlook, a take from Marlene Motyka, US and Global Renewable Energy leader, Deloitte Transactions and Business Analytics LLP.