The Curious Dreamer’s Dream Dictionary

by Nancy Wagaman
By-products and fumes from a fire (or a vehicle, furnace, or something else involving combustion) can represent: The “by-products,” results, or effects of a process or action.

The results from an interaction between people.

Venting something undesired, such as toxic emotions or judgments.

See Smoke, Engine, Vehicle, Vent, Fuel

The Complete Guide to Interpreting Your Dreams

by Stearn Robinson - Tom Corbett
The sound of an engine or motor exhaust in your dream forecasts an upcoming period of power in your life.

New American Dream Dictionary

by Joan Seaman - Tom Philbin
Remember that every action has a reaction.