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EPA

Glossary “EPA” Definition:
Environmental Protection Agency. Establishes and enforces regulations to protect and preserve the physical environment, best known for regulations related to air, water and land quality.

EPCRA

Glossary “EPCRA” Definition:
Emergency Planning and Community Right-to-Know Act. A free-standing law enacted to encourage and support emergency planning efforts at state and local levels, and to provide information concerning potential chemical hazards present in a community.

EONV

Glossary “EONV” Definition:
Engine Off Natural Vacuum, GM’s new ODB-II compliant scheme monitors EVAP system pressures while the engine is off, hence the term “Engine Off Natural Vacuum”. Introduced in 2003.