Limiting the number of cars on the roads Switching to wood stoves for home heating Requiring large vehicles to use diesel fuel Maintaining filters in large buildings
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of these would most likely improve the air quality in large Texas cities?
Possibilities:
- Limiting the number of cars on the roads
- Switching to wood stoves for home heating
- Requiring large vehicles to use diesel fuel
- Maintaining filters in large buildings

Limiting the number of cars on the roads