New Delhi, April 4 -- Up to a third of all new asthma cases each year are attributed to the harmful air pollutants that are emitted by gas-powered automobiles.

To address this, our recent study has found that replacing around half of all gas-powered vehicles with electric vehicles could be sufficient to minimize childhood asthma cases linked to pollution from vehicle exhausts.

As researchers studying the intersection of transportation, climate change and public health, we wanted to understand whether electric vehicle sales were having any impact on human health. Given the growing electric vehicle market in the United States, we investigated the impact this growth is having on population health.

We chose childhood asthma as a proxy due ...