Mealey's ( May 1, 2023, 3:06 PM EDT) -- WASHINGTON, D.C. — Four oil companies seeking cleanup costs incurred at a site where they manufactured aviation gasoline (avgas) pursuant to contracts signed with the United States during World War II are entitled to Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) interest payments arising from the contracts because the agreements contained provisions in which the United States waived its sovereign immunity, a Court of Federal Claims judge held in granting the companies’ motion for summary judgment....