"John McCain. He's been in Washington for 26 years," an announcer says in the newly-unearthed spot, "National Priority." "And as gas prices soared and dependence on oil exploded, McCain was voting against alternative energy, against higher mileage standards."
The spot then shifts to a focus on Obama. Says the announcer:
"Barack Obama. He'll make energy independence an urgent national priority, raise mileage standards, fast-track technology for alternative fuels. A thousand dollar tax cut to help families as we break the grip of foreign oil. A real plan, and new energy."
The Obama campaign tells CBS News that the spot is airing in "battleground states." Watch it below: