Machines and apparatus for reducing and controlling emissions from combustion of hydrocarbon fuels and diesel exhaust emissions; Machines and apparatus for diesel exhaust treatment; Single components of emission control and reduction apparatus such as catalytic converters, diesel particulate filters and equipment for the aforementioned products, included in this class; emission control apparatus (catalytic converters) for exhaust; catalytic converter units for vehicle exhausts; all combustion engines for machines whether diesel powered, petrol powered and gasoline powered.

Providing scientific information, advice and consultancy services relating to reducing and controlling emissions from combustion of hydrocarbon fuels and diesel exhaust emissions; pollution emissions reduction and testing relating to catalytic converters.