Final answer:
Lunar refers to the moon, emission is the act of releasing something, regulations are rules established by a governing body, hybrid refers to a combination of things, and pollutants are harmful substances or contaminants.
Step-by-step explanation:
Lunar: relating to the moon.
Emission: the act of releasing or giving off something, usually referring to the release of gases or substances into the environment.
Regulations: rules or laws established by a governing body to control or govern certain activities or behaviors.
Hybrid: something that is a combination of two or more different things, often referring to a vehicle that uses both a conventional engine and an electric motor.
Pollutants: substances or contaminants that are harmful or toxic to the environment or living organisms.