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Why don’t the EPA and / or CARB certify more engine families?

April 26, 2017carb certify don’t engine EPA Families

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Why don’t the EPA and / or CARB certify more engine families?

1 Answer

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o There are technical hurtles and significant expenses associated with obtaining certifications for retrofit systems certified by the EPA and/ or CARB. Retrofit manufacturers, referred to as small volume manufacturers (SVM) typically acquire certifications for a limited number of engine families.