As truck makers prepare to test and introduce Class 8 battery-electric and hydrogen-electric trucks in the next 12 to 24 months, one must wonder why only a very small number of truck operators have adopted clean solar technology.

While solar energy cannot power a Class 8 truck, it can supplement the charging capacity needed for some tractor and ­trailer accessories. The additional charging capacity has prolonged battery life while reducing operating and maintenance costs.

Applications of solar power on tractors and trailers turn ­solar energy into electrical energy to charge batteries used for liftgates, as well as cab and ­sleeper heating and air conditioning. Fleets report that solar systems have virtually no maintenance requirements.

— Phil Romba | Contributing Writer, Transport TopicsNovember 9, 2018

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