Offering a sweeping vision of a future in which pollution is conquered and cars run without a "drop of oil or gasoline," U.S. Vice President Al Gore today proposed tax breaks and other incentives for both reducing America's dependence on oil and cleaning up the environment. And he made clear that he wanted to claim these issues in the presidential election not only with his soaring oratory but with the amount of money-more than $125 billion over 10 years.