Under some scenarios, a new Trump administration proposal to reduce carbon emissions from power plants could curtail the construction of new natural gas combined-cycle power plants by as much as 30% and increase the use of existing coal plants by 13%, according to the Environmental Protection Agency’s own regulatory impact analysis on its proposal, the Affordable Clean Energy (ACE) rule.

Environmental group slam changes, but construction watchers await new proposal to push more beneficial ash reuse in concrete and other building materials.

The Environmental Protection Agency will issue a revised draft Lead and Copper Rule by Feb. 28 following a report from the agency’s inspector general on the EPA’s delay in responding to the Flint water crisis.

The U.S. Army Corps of Engineers identified 3,840 candidate restoration projects for the Chesapeake Bay in a comprehensive water-resources and restoration plan released June 14.