Wellons' systems are known for their ability to burn virtually any combination of hogged wood, bark, sawdust, planer shavings, sanderdust and other wood fuels, with a broad range of moisture contents, without the need for supplemental fuel for either start-up or operation. Our reputation for high combustion efficiency, low emission rates, system reliability and service is based on more than 30 years of experience in the combustion of biomass fuels.