U.S. Environmental Protection Agency

Some environmentalists are concerned that reducing protections could lead to degraded waterways.

Federal regulatory offices are under scrutiny from the Trump administration, and the Environmental Protection Agency is among those going through major changes. Some of the issues the EPA is facing will be discussed during a public conversation in Winston-Salem next week.

The grant is part of the EPA's Clean School Bus Program, which aims to replace diesel-fueled buses across the country with electric or alternative-fuel vehicles. 

State environmental regulators call chlorpyrifos "a toxic air contaminant" that is a health threat when inhaled or exposed to skin.