Stop air pollution!
Air quality in big cities becomes so bad nowadays. Cars are increasing everyday and coal are burned every second for electricity.As you can see in this picture, lots of smog comes out from exhaust.
There are some extremely easy things we can do to make air quality better while driving car :
1. Service your car regularly.
2. Maintain low rpm when you driving.
3. Avoid traffic, use alternative way.
4. Turn off your car if you are idle more than 1 minute.
