-Kees Willemse is professor of off-shore engineering, Delft University.  The opinions expressed are his own.-

The news that a huge metal cap has been successfully placed over several of the leaking oil vents at the Deepwater Horizon site marks a potential turning point in the Gulf of Mexico crisis.

-Kees Willemse is professor of offshore engineering at Delft University. The opinions expressed are his own.-

Last month’s explosion at the Deepwater Horizon rig continues to result in the leakage of an estimated 200,000 gallons (910,000 litres) of oil into the Gulf of Mexico each day.