At a time when oil costs nearly $100 dollar per barrel, the search for alternative sources of energy is heating up. While technologies to utilize wind and solar energy are well known, there is another clean, renewable and inexhaustible source of energy that remains almost completely untapped: the power of ocean waves. Now, some energy companies and engineers are working to harness the sea's enormous power. From the American state of Oregon, Al Jazeera's senior Washington correspondent Rob Reynolds reports.
