Up to 10 refrigerated trailers requiring assistance to keep their cargo will be able to hook up to an electrical supply, allowing the engine to be turned off and noise to be limited.
Bydd hyd at 12 o ôl-gerbydau sydd angen eu hoeri i gadw eu cargo’n oer yn gallu cysylltu â chyflenwad trydanol, gan ganiatáu i’r peiriant gael ei ddiffodd a bod cyfyngu ar sŵn.