What can help save fuel and reduce pollution?

All three answers are correct because they follow important principles of environmentally friendly driving. Choosing a vehicle with low fuel consumption helps you use less fuel from the start. Driving with foresight and maintaining a steady flow of traffic means you avoid unnecessary stops and accelerations, which also saves fuel and reduces emissions. Lastly, using public transport, cycling, or walking whenever possible saves the most fuel and produces the least pollution, as these alternatives are much cleaner than driving a car. By combining these behaviors, you help protect the environment and save on fuel costs.