Moving to zero-emission trucks and clean energy sources could avoid tens of thousands of premature deaths and 1.75 million asthma attacks, according to a new study.

The study by the American Lung Association focuses on the health impacts of switching to zero-emission heavy duty vehicles in areas of the United States that have 8,500 or more truck trips per day.

The report estimates that in counties with major trucking routes, the transition to zero-emission heavy-duty transportation and clean, non-combustion energy by 2050 would result in up to $735 billion in cumulative health benefits, 66,800 avoided deaths, and 1.75 million avoided asthma attacks.