Big Oil

Listen to almost any politician, President Bush included, and you


These credits are necessary to attract new investment in renewable sources until they become competitive with cheaper, dirtier fuels like coal. When the credits disappear, investments shrivel. The production tax credit for wind energy has been allowed to expire three times. In each case, new investment dropped by more than 70 percent. The credits for wind and solar expire at the end of this year, so action now is important.

Though there is plenty of blame to go around, Mr. Bush and Senate Republicans bear a heavy burden. The House approved, as part of last year