Caltrain’s switch to electric fleet cut carcinogen exposure by 89%: study

Caltrain’s switch to electric fleet cut carcinogen exposure by 89%: study

SAN FRANCISCO (KRON) -- In 2024, Caltrain rolled out its electric fleet of trains to replace its diesel-powered line. That move, according to a UC Berkeley study, has dramatically reduced its riders’ exposure to a harmful carcinogen. The study, published on Wednesday in Environmental Science and Technology Letters, found that retiring all 29 of Caltrain's diesel locomotives and replacing them with 23 electric trains reduced riders' exposure to b…

California's electric train push cuts 89% carcinogenic pollutants

The study estimates that this reduction in black carbon will significantly lower cancer risk for people regularly exposed to the pollutants.

Environmental News Network - Electric Trains Are Quieter, More Reliable Than Diesel. New Study Finds They’re Healthier, Too.

A new study found that electrifying the San Francisco Bay Area’s Caltrain commuter rail line reduced riders’ exposure to carcinogenic black carbon by an average of 89%.