“As he explained, a thicker warp shell would reduce the strain on spacetime, thus allowing a spacecraft to achieve speeds of up to 10 times the speed of light (10 c) using only two metric tons (2.2 U.S. tons) of exotic matter:”
I suggest they try dilithium crystals...
I can get monolithium crystals for half price at CostCo but I have to buy a pallet of them.