Morningstar has published its latest Electric Vehicle Observer, “Charged Up: Adoption Will Take Off as Electric Vehicles Reach Cost Parity,” focusing on the long-term potential for electric vehicle (EV) adoption.

We expect high investment in renewable energy through 2020, but the path forward will be rockier than that of the past decade as policymakers turn to more discipline to protect the public purse.

Despite increasing capacity and solid annual growth in the renewable energy space, Morningstar equity analysts anticipate a rockier path forward as more companies chase lower returns and policymakers revisit return-boosting incentives.