Leilac’s technology was initially aimed at cement sector
Heirloom to market lime-based DAC technology
US technology company signs MoU to use calcination process initially developed to abate cement industry emissions
US technology company Heirloom plans to market the first direct air capture (DAC) system using a CO₂ separation process initially used to abate emissions in the cement industry. Heirloom, the backers of which include Bill Gates’ Breakthrough Energy Ventures, has signed a memorandum of understanding (MoU) with US decarbonisation company Leilac to use its electric kiln technology under licence in a lime-based DAC process. Heirloom’s process uses lime in a novel carbonation process to directly capture CO₂ from the air and form limestone. This process accelerates the natural binding of CO₂ and lime from a period of years to just three days. After binding, the reformed limestone is fed back into
Also in this section
28 November 2025
The launch of the bloc’s emissions trading system in 2005 was a pioneering step, but as the scheme hits 21 its impact as a driver of decarbonisation is still open to debate
18 November 2025
Vicki Hollub, president and CEO of Occidental, has been selected as the 2026 recipient of the Dewhurst Award, the highest honour bestowed by WPC Energy. The Dewhurst Award celebrates exceptional leadership, groundbreaking innovation and a lifetime of significant achievements in sup-port of the development and advancement of the energy industry.
11 November 2025
Transition policies must recognise that significant industrial demand for carbon will continue even as economies hit net zero
6 November 2025
After years of pursuing ideologically driven climate leadership, Western powers are now stepping back under mounting political pressure and rising populist opposition—prompting concern essential climate action could be sidelined
