CARB officials probably had to use a wheelbarrow to haul their Pinnochio noses around, as much as the lied about the environmental "statistics" they spouted back then. I did stay very busy retro-fitting vehicles to the state mandated "closed loop" PCV system mandated by California in the mid-1970s when I ran a shop in the San Joaquin valley however.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!