Rail-Based, Self-Powered, Dual-Mode Direct Air Capture (DAC) & Diesel Point-Source Emissions Mitigation (CCS) Technology.

CO2Rail Company is a US-based climate tech company that has developed proprietary rail-based, self-powered, dual-mode Direct Air Capture (DAC) and Locomotive Emissions Mitigation (CCS) technology which removes excess carbon dioxide from the ambient air or rail transportation point sources. The technology leverages the tremendous scale and scope of the global rail network, purpose-built rail equipment, and sustainable train-generated regenerative braking energy with no external energy inputs required. This will broadly enable rail as the first carbon-negative mode of heavy transport.

The CO2Rail DAC technology deploys specially designed, self-contained DAC railcars on both diesel and electrified rail lines outfitted with battery arrays, CO2 direct air capture systems, compression equipment, and ancillary gear that uniquely exploits the substantial sustainable energy generated on-board the train through regenerative braking. The units are equipped with large intakes that extend up into the slipstream of the moving train and collect CO2 feedstock air by fluidic, ramjet-type processes, places no demand on energy or land resources. At scale, CO2Rail will operate near 93% net LCA CO2 efficiency including the carbon debt incurred in transportation of the reclaimed CO2 to geological sequestration. Unloaded daily at crew change or fueling stops into regular CO2 tank cars, the network will curate delivery of the harvested CO2 to on-route sites for permanent underground sequestration, or delivery to end-users as feedstock for the circular carbon economy.

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