Plymouth switches to synthetic oil

Plymouth CityBus has switched almost its entire fleet to synthetic engine oil, which lasts twice as long as ordinary oil.

The operator was using synthetic engine oil for its Mercedes-Benz Citaros and started using it for other vehicles in May. The synthetic oil lasts for 40,000 kilometres, double the distance of the engine oil previously used.

“Instead of changing it 2½ or 3 times a year, we’re down to 1 or 1½ times a year,” workshop manager Allan Gavin told...

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