In what year did California require catalytic converters on all vehicles sold?

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Prepare for the California BAR Smog Technician Test. Review key topics with flashcards and multiple choice questions, each question includes hints and explanations. Get ready to ace your exam!

Multiple Choice

In what year did California require catalytic converters on all vehicles sold?

Explanation:
Catalytic converters became a mandatory part of emissions control in California as part of the state’s early smog programs. The rule requiring that all vehicles sold in the state include a catalytic converter went into effect for the 1975 model year, making 1975 the year when CA achieved universal installation for new vehicles sold there. This timeline aligned with the broader push from the Clean Air Act era to curb hydrocarbons and carbon monoxide from cars. So, the year you’re looking for is 1975.

Catalytic converters became a mandatory part of emissions control in California as part of the state’s early smog programs. The rule requiring that all vehicles sold in the state include a catalytic converter went into effect for the 1975 model year, making 1975 the year when CA achieved universal installation for new vehicles sold there. This timeline aligned with the broader push from the Clean Air Act era to curb hydrocarbons and carbon monoxide from cars. So, the year you’re looking for is 1975.

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