The Air Resources Board proposed to amend Cal. Code Regs. tit. 13 §§2258, 2260, 2261, 2264, & 2265, California Reformulated Gasoline Regulations. Changes would correct coefficients in the Predictive Model. There will be a public hearing October 20, 2011, and the deadline for written comment is October 19. See http://www.oal.ca.gov/res/docs/pdf/notice/35z-2011.pdf (pp. 1393-97).