What's the difference between an EPA and a carb?
                                
                                
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                                    4 min read                                
                            
                                According to the EPA, air pollution has been significantly reduced over decades thanks to stricter standards for vehicles and engines. This progress is driven by a complex regulatory landscape, leading many to ask: what's the difference between an EPA and a carb? The answer lies in distinguishing between a federal agency, a state agency, and a mechanical engine component.