Add spaces: Waterhyacinthscanalsobeusedtoproducesolidfuel,thoughwithalowcombustionvalueof8.3gigajoules(GJ)percubicmeter(m3)lessthanwoodthisapproachremainsinefficient.
Water hyacinths can also be used to produce solid fuel, though with a low combustion value of 8.3 gigajoules (GJ) per cubic meter (m3) less than wood this approach remains inefficient.