The Air Resources Board proposed to amend Cal. Code Regs. tit. 13 §2477, affecting transport refrigeration units (TRU) and generator sets. Changes would affect model year 2001 through 2003 that complied with the Low Emission TRU in-use performance standards. 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. 1385-93).