Exxon’s U.S. oil refineries pump out more soot than rivals’

Seabell “Mama” Thomas, 77, holds a photo of she and her ex husband Arthur, who died at 57 years old in the 90s from lung cancer at her home in Baton Rouge, Louisiana, U.S., May 5, 2021. Her son has suffered from asthma, and she has long wondered if both illnesses were related to the ExxonMobil Baton Rouge Refinery which is about four blocks from her home. Picture taken May 5, 2021. REUTERS/Kathleen Flynn