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COMMENT: Retrofit e-axle hybrids arrive on US Class 8 truck scene

As HD trucking warms to the electric drivetrain, aftermarket auxiliary electric power sources have obvious attractions, writes Alan Bunting

North American heavy-duty truck operators are more open than their European counterparts to the kind of innovative technologies emerging in the aftermarket. If there is some worthwhile fuel – and therefore running cost – saving in prospect, they are often ready to at least give such novel developments a trial.

Amid the flurry of electric drivetrain initiatives from major OEMs, the idea of incorporating, at much lower cost, an auxiliary electric power source into the driveline of a heavy-duty Class 8 truck already in service – with typically an up-to 12-year operating life expectancy – has obvious…

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