A significant change in regulations has been announced by the Environmental Protection Agency. This move is expected to have major implications for the energy industry. Costs for the industry are anticipated to decrease by over $300 billion.

The decision marks a departure from previous efforts to reduce pollution and address climate change. It is likely to face legal challenges.

Further details on the ruling and its potential impact are available from the Environmental Protection Agency's announcement, which outlines the reasoning behind the change and its expected effects on utilities and their customers.