Earthrace, the "world's coolest boat," according to New Zealand developers, hopes to cut 10 days off the current world record for circumnavigating the globe. Moreover, the team plans to beat the 75-day record using only renewable fuel. Earthrace runs on biodiesel and boasts of other environmentally-friendly technologies. In addition to the 24,000 nautical mile race, Earthrace will visit 60 of the world's cities in an effort to raise awareness about the sustainable use of resources. Follow its progress around the world.