When was the Catalytic Converter required on all vehicles sold in California?

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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

When was the Catalytic Converter required on all vehicles sold in California?

Explanation:
Emissions control requirements for cars in California drive home the idea that technology was mandated to cut harmful pollutants. Catalytic converters were pushed into widespread use to meet air-quality goals, and California required them on all new vehicles sold in the state starting with the 1975 model year. This timing aligned with the broader federal move under the Clean Air Act to require catalytic converters for new light-duty vehicles by 1975, and California’s program adopted the standard to aggressively curb smog. So, 1975 is the year when the converter became mandatory for all vehicles sold in California.

Emissions control requirements for cars in California drive home the idea that technology was mandated to cut harmful pollutants. Catalytic converters were pushed into widespread use to meet air-quality goals, and California required them on all new vehicles sold in the state starting with the 1975 model year. This timing aligned with the broader federal move under the Clean Air Act to require catalytic converters for new light-duty vehicles by 1975, and California’s program adopted the standard to aggressively curb smog. So, 1975 is the year when the converter became mandatory for all vehicles sold in California.

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