ENERGY

Mobil, Chevron, Texaco Sue Air Resources Board: The three major oil companies have sued California’s air pollution control agency in Sacramento Superior Court, charging that it is giving small California refineries unfair advantage by allowing them two years’ more time to meet four of eight regulations for producing cleaner gasoline. The companies say this promises small refiners a $230-million windfall. ARB spokesman Jerry Martin said the delay, which doesn’t change deadlines to curb the most environmentally harmful components, is to help refiners who “don’t have the borrowing power of the bigger guys.” The ARB won a similar court challenge over diesel rules last summer.