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With cleaner emissions than current EPA standards, the hybrid buses have greatly reduced pollution: 90 percent less particulate matter, 40 percent less oxides of nitrogen, and 30 percent fewer greenhouse gases. Independent tests used board protocols to get the results: E-diesel cut exhaust emissions of oxides of nitrogen by 1. Smog Check II was aimed at reducing oxides of nitrogen - the chemical from vehicle emissions that turns smog brown and burns the lungs. |
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