Noise Differences Between Electric and Conventional Cars at Low Speeds

The growing prevalence of electric vehicles (EVs) in urban environments presents opportunities for reduced traffic noise. However, the distinct noise characteristics of EVs, especially at low speeds, are not well-documented. This study aims to explore the acoustic impact of EVs in comparison to conventional fuel-based cars, with a focus on low-speed scenarios.The research involves controlled pass-by measurements of both EVs and conventional cars to analyze objective noise levels, considering factors such as vehicle weight, tires, and auditory vehicle alert systems (AVAS). Additionally, listening tests are conducted to examine potential differences in perceived loudness as well as noise annoyance across vehicle types and to evaluate the influence of AVAS. Through these analyses, this project seeks to contribute empirical insights to current assumptions about EV noise benefits, assess subjective annoyance implications, and discuss whether adjustments to noise measurement standards are needed to better account for the presence of EVs.