It was part of BP's effort to make "blue" hydrogen — which is made using energy from fossil fuels, but includes carbon storage. BP is one of several companies that committed to grow clean hydrogen in the region as part of the Midwest Alliance for Clean Hydrogen or MachH2.

BP North America will have to pay $40 million for air violations at its Whiting Refinery in northwest Indiana — the largest federal penalty ever imposed for industrial air pollution.