Peterbilt Launches Model 320 Hydraulic Hybrid, Full Lineup of Natural Gas Powered Vehicles
Green Car Congress
MARCH 26, 2010
The ISL-G engine has a maintenance free three way catalyst (TWC) that is 95% effective in NO x conversion and is highly effective in controlling all CO 2 and hydrocarbons. Peterbilt trucks equipped with the Cummins ISL-G engines use cooled EGR to lower in-cylinder exhaust gas temperature.
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