Meaning of the word "emission free" in English

What does "emission free" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

emission free

US /ɪˈmɪʃ.ən friː/
UK /ɪˈmɪʃ.ən friː/

Adjective

not producing any harmful gases or pollutants

Example:
The company is committed to developing emission-free vehicles.
Our goal is to achieve an emission-free energy system.