A rendering of the Pratt & Whitney Rocketdyne high pressure, dry-solids feed pump. Opening New Avenues for High-Efficiency, Low-Emission Coal Gasification April 10, 2012 - 1:00pm Washington, DC - Gasification. It ’s a versatile technology that uses coal to produce power, chemicals, and fuels. Inherently low in air emissions, solid byproducts, and wastewater, commercial gasification plants ha