Toyota to test hydrogen-powered big rig at LA ports this summer

It’s powered by two Mirai fuel cell stacks and a 12kWh battery, giving the drayage truck more than 200 miles per fill under normal operation, the company says. The rig, based on a Kenworth T660, can haul loads up to 80,000 pounds, Toyota says.

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Does added hydrogen really boost fuel mileage?

Some research shows that hydrogen slightly improves diesel combustion, but the improvement may not be significant enough to warrant all the equipment necessary to separate it and meter it back in.

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