Which of the accessories fitted (which is not legally required) may contribute to reducing the vehicle’s impact on the environment?

Explanation: • The speed limiter: No, whilst this may contribute to a lessening of the impact of this vehicle on the environment a speed limiter is a legal requirement and the question specifically asks for things that are not legally required.
• The exterior sun shade: No, the exterior sunshade would not reduce the vehicle's impact on the environment in fact, because it may disrupt the airflow over the cab, the reverse may be true.
• The digital tachograph: No, a digital tachograph would have no impact either way.
• The roof-mounted spoiler: Yes, the roof mounted spoiler will smooth the air-flow over the roof of the load-compartment thereby reducing drag and improving fuel consumption.

Category: CPC Case Studies: EcoSafe Driving