The Clean Air Act

The United States Clean Air Act* sets standards for automobile emissions. It also requires that automobile manufacturers explain to owners how their emissions controls work and what to do to maintain them. This section summarizes how the emissions controls work.

* In Canada, Honda vehicles comply with the Canadian emission requirements, as specified in an agreement with Environment Canada, at the time they are manufactured.

    See also:

    Exterior & Styling
    A glance at the 2012 Civic tells the whole story: It looks a little bit different, foreshadowing aspects like the mileage, the interior and the technology, all of which have improved. Whether the ...

    Potential Vehicle Hazards
    Carbon Monoxide poison from engine exhaust. Be sure there is adequate ventilation whenever you operate the engine. Burns from hot parts. Let the engine and exhaust system cool down before t ...

    Interior & Cargo Space
    One of the reasons the Fit is so versatile and spacious is its hatchback body style. It offers the same passenger volume as a Civic sedan — 91 cubic feet — but with significantly more maximum ...