Elected officials and environmental activists recently gathered to announce new efforts to ban MHF at refineries.

MARTINEZ — A leak led to an explosion and massive fire at a refinery with a history of issues Saturday, prompting a shelter-in-place for much of Saturday evening after black smoke spread across ...

She fought to get a local refinery closed after a 2019 explosion ... from the chemicals." She said Philadelphia residents blame the former oil refinery for high asthma and cancer rates.