When you drive a car, you affect not only the traffic around you, but also the environment and people's health. Road traffic contributes to air pollution, noise, and emissions that impact both the climate and the local environment. It is therefore important to understand how traffic affects the environment and why your choice of vehicle, fuel, and driving style matters.

In this section, you will learn how car emissions affect people, nature, and the climate, which substances cause environmental and health problems, and how economical driving can reduce both fuel consumption and emissions. You will also learn about engine heaters, other environmentally friendly measures, and how electric and hybrid cars affect the environment.