This program provides incentives that help school districts, as well as truck and equipment owner/operators, reduce diesel emissions from their older vehicles by retrofitting them with new air pollution control technology or re-powering them with cleaner, more efficient engines.

MassCleanDiesel: Vehicle Repower Program Grants

Grants to help owners of Caterpillar diesel-powered off road wheel loaders from 125 to 299 rated horsepower replace their old, dirty engines with new or rebuilt engines that meet stricter emission standards.

MassCleanDiesel: Clean Markets Program Grants

Grants to help owners of diesel-powered trucks and equipment servicing and operating at wholesale markets, warehouses and distribution centers reduce emissions from their vehicles.

MassCleanDiesel: School Bus Retrofit Program

This program, which retrofitted more than 2,100 school buses to reduce their diesel emissions, ended in June 2011. Although funding is no longer available, this document provides helpful information about MassCleanDiesel.