DFDS is to buy Sunswap transport refrigeration units (TRUs), reefer trailers powered by solar panels and batteries.
The solar panels provide power to the refrigeration system during its journey, extending the charge in the battery.
In tests with DFDS, the Sunswap TRUs proved capable of two 11-hour truck journeys across the UK after an 80-minute charge using a conventional type 2 electric car charger.
“What that shows is operational parity to diesel units,” …
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