One unexpected obstacle in the United States’ transition to clean energy: zombies.

Zombie energy laws prevent utilities from shifting to renewable energy, according to a recent article by University of Chicago Law School professor Joshua C. Macey. A century ago, these laws protected consumers against electric utilities. But now, Macey argues, the same laws shelter fossil fuel generators from competitive forces and frustrate wind and solar generators’ efforts to join the energy market.

Read more at The Regulatory Review