 It's going to cost more, but that's just because we're investing in green technology more than we were promising to do. Really? There are people who will buy this, by the way. The Congressional Budget Office revised its projections this week, greatly increasing how much it believes the law's energy tax credit-related provisions will cost. The costs of energy-related tax provisions are much higher than the staff of the Joint Committee on Taxation originally projected, according to the CBO Director, Philip Swagle. Now,