Abstract
The potential of connected autonomous vehicles (CAVs) to offer significant environmental benefits is increasingly acknowledged. Nevertheless, it is debatable concerning CAV implementation as an eco-driving strategy, given that large-scale deployment has not yet been realized and studies relevant to emission reduction have yielded inconsistent results. Our study investigates the effects of implementing CAVs on emission reduction and focuses on passenger reactions regarding vehicular platooning. We employ microsimulation to examine the environmental effects associated with different levels of CAV penetration, complemented by a VR experiment that evaluates rider adherence to CAV systems. The findings indicate that higher CAV penetration rates and greater passenger compliance contribute to reductions in vehicle emissions, yet there is a concurrent rise in PM10 levels when the fleet size exceeds seven vehicles. This study reveals the trade-off between CAV deployment for emission reduction and on-road environmental protection, emphasizing the vital role of passenger compliance in environmental advantages.
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