[1/4] A view of a computer-rendered image of Climeworks' Mammoth direct air capture plant is seen in this undated handout picture obtained by Reuters, June 28, 2022. Leading the charge, the U.S. government has offered $3.5 billion in grants to build the factories that will capture and permanently store the gas - the largest such effort globally to help halt climate change through Direct Air Capture (DAC) and expanded a tax credit to $180/tonne to bolster the burgeoning technology. The sums involved dwarf funding available in other regions, such as Britain which has pledged up to 100 million pounds ($124 million) for DAC research and development. That compares with $12 billion in federal spending to drive demand for personal and commercial electric vehicles, Boston Consulting Group estimated. Occidental Petroleum has said it is well positioned for federal grants for what could be the biggest Direct Air Capture plants in the world.

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