This SBIR Phase I project will develop a novel fly ash based material to mitigate exhaust pollution. This work will include the fabrication<br/>and testing of novel substrates for exhaust pollution mitigation. These substrates will be fabricated from an industrial waste product, a new beneficial use of this material. This project will determine whether this material may be fabricated into a robust, high temperature substrate having requisite porosity and microstructure. The ultimate objective of this work is a<br/>retrofit exhaust mitigation system for large diesel engines, available at a price that enables adoption in the world?s most cost-sensitive markets.<br/><br/>The broader/commercial impacts of the project will be the reduction of exhaust fumes from diesel engines; the reduction in the interior use of metal for exhaust pollution devices; improvement in overall environmental air quality; and a resultant recycling of an environmental hazardous waste- fly ash.