Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...
API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...
January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.
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