(August 19, 2020, 1:15 PM EDT) -- LOS ANGELES — An excess liability insurer filed suit on Aug. 14 in California federal court seeking a declaration that its policy's total pollution exclusion bars coverage for remediation costs incurred as the result of a crude oil spill (General Star Indemnity Co. v. Petrol Transport Inc., et al., No. 20-7371, C.D. Calif.)....