Converter That Cars Have on Their Exhaust Systems
This page is the CodyCross answer for the clue below from City Life, Group 1660, Puzzle 1 (Daily Commute).
Question is: Converter That Cars Have on Their Exhaust Systems
and the answer is: CATALYTIC
Word Meaning:
CATALYTIC — (chemistry) Of or relating to a catalyst; having properties facilitating chemical reaction or change.
Definitions from Wiktionary.