Make Way for Trenches! A College Plans to Scrap Its Entire Heating System

Much of the motivation for the project, which Dartmouth says could cost $200 million, comes from the college’s quest for environmental sustainability. Two years ago, President Philip J. Hanlon set a 2025 deadline for cutting greenhouse-gas emissions in half, and also for replacing No. 6 fuel oil — the steam plant burns some 3.5 million gallons a year — with renewable fuels.