[davep]

Is oil removal from red Tarmac possible. Don't know the oil type yet.

[wpclean]

Yes, but it will still leave a shadow,  I have only done a couple of jobs for car dealerships ( both from their mechanics not tightening the oil filter during the service ) and the product worked well, but they were old driveways.

http://www.oiltechnics.co.uk/DrivewayShopTarmac.asp