What can contribute to environmentally-friendly driving?

All three answers are correct because each contributes to environmentally-friendly driving. Attending practical fuel-efficiency training helps you learn driving techniques that use less fuel, reducing emissions. Using vehicles with an electric drive directly lowers the amount of pollutants released, as these cars have no tailpipe emissions. Forming car pools reduces the overall number of vehicles on the road, leading to less traffic and lower total emissions. Practicing these actions helps protect the environment and leads to more sustainable road use.