There was no mechanical defect to explain the tragedy, but the inquest heard that the road surface was worn and was resurfaced a few weeks after the accident.

BBC: NEWS | UK | Wales | Fatal Christmas crash 'accidental'

When it came to the surface there might have been in-situ burning going on, there might have been mechanical skimming, there might have been dispersants being applied.

WHITEHOUSE: Daily Press Briefing

The second is trying to deal with the oil that's on the surface above the well, where it comes up in large quantities and could be dealt with effectively through mechanical skimming and in-situ burning.

WHITEHOUSE: Daily Press Briefing