... Produced(Previous Year) Engines & Generator Natural Gas Generators & CHPs/CO-GENs 30 Sets / Month, Biogas Generators & CHPs/CO-GENs 40 Sets / Month, Diesel ... , Engines 1,000 Units / Month Natural Gas Generators & CHPs/CO-GENs 150 Sets, Biogas Generators & CHPs/CO-GENs 200 Sets, Diesel-Natural Gas ...