Controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2019
Philadelphia refinery fire and shutdown
A damaging fire and explosion at an alkylation unit caused a large fireball and preceded the closure of the Philadelphia refinery complex. The incident generated significant community and environmental concern.
2014
MTBE contamination lawsuit
Pennsylvania sued Sunoco and other companies, alleging that their activities contributed to water pollution involving MTBE, a gasoline additive.
2000
Oil leak at John Heinz National Wildlife Refuge
A cracked pipeline released approximately 190,000 U.S. gallons of oil into the John Heinz National Wildlife Refuge at Tinicum in Pennsylvania. The leak was reported by a hiker, and Sunoco subsequently removed defective joints and installed more advanced leak-detection equipment.