Add spaces: Waterhyacinthscanalsobeusedtoproducesolidfuel,thoughwithalowcombustionvalueof8.3gigajoules(GJ)percubicmeter(m3)–lessthanwood–thisapproachremainsinefficient.
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.