The CDPHE Clean Fleet Enterprise is accepting applications for the Clean Fleet Vehicle and Technology Grant Program from Monday, Sept. 15 through Friday, Oct. 24, 2025. This is the third round of applications and funding through the grant program. The enterprise intends to continue reopening the grant program for applications at least once a year through 2033, or as long as funding allows. Applicants for CDPHE’s grant program may also be interested in the Fleet Zero-Emission Resource Opportunity (Fleet-ZERO) Grant Program. The Colorado Energy Office’s grant program is open for standard applications from Monday, Sept. 15 through Friday, Oct. 17, 2025.