How do emissions regulations in Texas for CNG operations specifically target harmful substances?

Emissions regulations in Texas for CNG operations are designed to specifically address the impact of harmful substances on air quality. The correct choice emphasizes that these regulations focus on volatile organic compounds (VOCs) and other pollutants that are known to contribute to air pollution and negative health outcomes.

CNG is considered a cleaner alternative to traditional fossil fuels, as it generally emits lower levels of harmful substances. However, regulations are necessary to ensure that even these cleaner fuels minimize their environmental impact. By targeting volatile organic compounds, which can lead to the formation of ground-level ozone and smog, as well as other pollutants, Texas aims to decrease the overall air pollution and improve public health.

The other options do not accurately capture the specific nature of Texas emissions regulations. Limiting particulate matter alone overlooks the broader range of harmful substances produced during combustion. Regulating all emissions uniformly neglects the nuanced approach needed to effectively address different types of emissions based on their environmental and health impacts. Encouraging alternative fuel sources, while beneficial, does not directly articulate the specific targets of emissions regulations for existing CNG operations.