GraniteFuel Engineering designs and develops innovative fuel conditioning systems for industrial engines used on waste to ene ... rgy (WtE) sites fueled by wellhead, landfill or digester gas at landfills or waste water treatment facilities. GraniteFuel’s unique fuel conditioning solutions are custom designed for each application to provide consistent and efficient reduction of fuel contaminants. GraniteFuel systems have been developed to outlast any other solution on the market while maintaining low operating expenses to provide long-term, cost-effective fuel conditioning. read more