RoInCo CARB EO numbers
RoInCo holds EO numbers starting D-33. We found 1 of them on CARB's site and read 1; 0 have a vehicle table we could read with certainty. Newest: October 1974.
Executive Orders
D-33-1October 1974 SCR Powered Electronic Ignition Other Engine Part · details in PDFSource: CARB aftermarket parts EO PDFs (ww2.arb.ca.gov), retrieved November 11, 2026. Brand names are as written in the newest EO. Independent reference, not affiliated with CARB or RoInCo.