Jaguar Land Rover is expected to deliver a giant boost to the automotive industry by revealing it is doubling the size of its new engine plant in the Midlands.
The company is set to create extra jobs at its new i54 plant in Wolverhampton.
The £500 million investment is said to come following continued global demand.
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Fog patches and extensive low cloud at first will steadily lift and clear.
A murky start with mist and fog then gradually clearing, although some eastern coastal districts may remain cloudier.
Isolated showers should die out through the evening to leave a dry remainder of the night.