Three carbon - fiber fuel tanks store up to a maximum of 9.25 pounds ( 4.2 kg ) of gaseous hydrogen at 10,000 psi ( 70 MPa ) .
Three carbon - fiber fuel tanks give the Equinox a range of 200 miles ( 320 km ) .
Three carbon - fiber fuel tanks store up to a maximum of 9.25 pounds ( 4.2 kg ) of gaseous hydrogen at 10,000 psi ( 70 MPa ) , and give the Equinox a range of 200 miles ( 320 km ) .