A vehicle CO 2 capture and utilization system comprising a concrete mixer vehicle and a vehicle exhaust capture system; wherein: the concrete mixer vehicle comprises a combustion engine, a vehicle exhaust, and a mixer tank; the vehicle exhaust capture system comprises one or more fluid pathways that fluidly couple the vehicle exhaust and the mixer tank; the vehicle exhaust capture system comprises a CO 2 capture unit that is located onboard the concrete mixer vehicle and is fluidly coupled to the vehicle exhaust and the mixer tank using the one or more fluid pathways; characterised in that the vehicle exhaust capture system comprises a CO 2 storage tank that is fluidly coupled to the vehicle exhaust using the one or more fluid pathways and is located onboard the concrete mixer vehicle; the one or more fluid pathways comprise a first fluid pathway extending from the vehicle exhaust to the CO 2 capture unit, a second fluid pathway extending from the CO 2 capture unit to the mixer tank, a third fluid pathway extending from the CO 2 capture unit to the CO 2 storage tank, and a fourth fluid pathway extending from the CO 2 storage tank to the mixer tank; a first flow generation unit is fluidly coupled to the second fluid pathway and is structurally configured to generate fluid flow from the CO 2 capture unit to the mixer tank; a second flow generation unit is fluidly coupled to the third fluid pathway and is structurally configured to generate fluid flow from the CO 2 capture unit to the CO 2 storage tank; and a third flow generation unit is fluidly coupled to the fourth fluid pathway and is structurally configured to generate fluid flow from the CO 2 storage tank to the mixer tank. the concrete mixer vehicle comprises a combustion engine, a vehicle exhaust, and a mixer tank; the vehicle exhaust capture system comprises one or more fluid pathways that fluidly couple the vehicle exhaust and the mixer tank; the vehicle exhaust capture system comprises a CO 2 capture unit that is located onboard the concrete mixer vehicle and is fluidly coupled to the vehicle exhaust and the mixer tank using the one or more fluid pathways; characterised in that the vehicle exhaust capture system comprises a CO 2 storage tank that is fluidly coupled to the vehicle exhaust using the one or more fluid pathways and is located onboard the concrete mixer vehicle; the one or more fluid pathways comprise a first fluid pathway extending from the vehicle exhaust to the CO 2 capture unit, a second fluid pathway extending from the CO 2 capture unit to the mixer tank, a third fluid pathway extending from the CO 2 capture unit to the CO 2 storage tank, and a fourth fluid pathway extending from the CO 2 storage tank to the mixer tank; a first flow generation unit is fluidly coupled to the second fluid pathway and is structurally configured to generate fluid flow from the CO 2 capture unit to the mixer tank; a second flow generation unit is fluidly coupled to the third fluid pathway and is structurally configured to generate fluid flow from the CO 2 capture unit to the CO 2 storage tank; and a third flow generation unit is fluidly coupled to the fourth fluid pathway and is structurally configured to generate fluid flow from the CO 2 storage tank to the mixer tank.