A district court held that New York's Zero-Emission Credit (ZEC) program is not preempted by federal law. In an effort to curb the effects of global warming, New York issued a Clean Energy Standard (CES) Order that created two programs, one being ZEC. A ZEC is a “credit for the zero-emissions attr...

The D.C. Circuit held that EPA must justify emissions limits set for certain hazardous air pollutants. The CAA requires EPA to set limits for seven different hazardous air pollutants (HAPs). In 2015, the Agency claimed to have identified sources of these pollutants and set emissions limits for them....