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The ports of Los Angeles-Long Beach have launched a 12-month demonstration of compressed natural gas-fueled drayage trucks.
Four heavy-duty CNG trucks on Tuesday began moving containers between the San Pedro Bay ports and nearby freight-consolidation yards. Their engines are certified to meet the Environmental Protection Agency's stringent 2010 on-road emission standards, reducing nitrogen-oxide emissions by 80 percent compared to the 'cleanest' diesel truck. The test is co-sponsored by Southern California Gas Co. and the South Coast Air Quality Management District.
The ports on Oct. 1 launched a clean-trucks program aimed at reducing harmful …