How much new US oil? Not a lot.

With alternative energy sources decades from supplying US needs, motorists fretting over the cost of their next fill-up are left to wonder if America will ever wean itself from foreign oil.

The long-awaited energy bill was supposed to do much to push up domestic oil and gas production, but as President Bush signs the legislation Monday in New Mexico, it would appear that a dramatic boost in new US fossil-fuel supplies is unlikely.