was in early january. crude oil futures were down 11 cents to close at 95.72 a barrel, but the entire equation may be changing. our chief national correspondent jim angle reports the days of america's against oamerica's den oil could be numbered. >> reporter: the u.s. has discover energy than it thought it had. some talk about north american energy independence. >> we could make opec n0pec. the reason, advances in technology such as fracking, horizohorizontal drilling and or improvements which increase natural gas production by 27% in just four years, making the u.s. number one in gas with oil on its way. >> we're talking decades, if not into the hundreds of years of supply in north america. >> it's been estimated by the energy information agency that