Text: States will also be requiring utilities to comply with Best Available Retrofit Technology (BART) programs (either source-specific standards or a trading program) to meet requirements to reduce regional haze.
Entailment: Utilities will be lawfully required to abide by the Best Available Retrofity Technology (BART) standards in an attempt to reduce regional haze.
Contradiction: BART standards are voluntary in the states, and is not legally mandated.