Trial over: California group says natural gas engines have proven their worth

Near-zero emission (NZE) natural gas trucks have been in operation in California ports for some time, but the vehicles have generally been operating under trial programs. According to the California Natural Gas Vehicle Partnership, that trial period is over – the trucks are ready for primetime.

The partnership announced this week that NZE trucks have proven they can handle the rigors of drayage work and as a result, have upgraded the technology to Technology Readiness Level (TRL) 9 in its Feasibility Assessment for Drayage Trucks report.

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