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How automakers, suppliers are preparing for tougher emissions rules

To help meet upcoming Tier 3 emissions standards, automakers and suppliers are devising ways to heat the catalytic converter faster. The sooner the component reaches operating temperature, the sooner it starts removing emissions. Suppliers such as Tenneco have combined the exhaust manifold with the catalytic converter. The “maniverter” is in production on the BMW i8.
RB
By:
Ryan Beene
September 14, 2014 05:00 AM

The EPA's stricter Tier 3 emissions standards that take effect in 2017 are a double-edged sword for most automakers.

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