DieselWise Indiana Emission Reduction Program

Also written: DieselWise · DieselWise Indiana · IDEM DERA · Indiana Clean Diesel

A scrap-and-replace cost-share grant, awarded after a request-for-proposals round, toward a new zero-emission or cleaner truck replacing an operational diesel. Administered by the Indiana Department of Environmental Management Office of Air Quality from the state's EPA Diesel Emissions Reduction Act (DERA) allotment.

$130,500

per Class 8 truckwhat this program pays toward one battery-electric tractor

This program’s headline amount for one truck; the amount may depend on the buyer’s circumstances. What is available now and the potential in Indiana, for any Class 8 tractor, are on the Indiana page (Grade C · 54 programs tracked).

Program signals

UPCOMINGBetween rounds — the program returns; the next round is not announced.

TESLA SEMITesla Semi: eligible under the program’s vehicle rule — it keeps no make/model list (checked August 17, 2026). Tesla Semi in Indiana →

Track DieselWise

Pro carries the rest of DieselWise: current program dates, funding, eligibility, caps, stacking rules, and the source behind each figure, with an alert when the window changes.

Window	Who can apply	Trucks per fleet	Funding left	Stacks with	Source

DieselWise in full, with every other program in Indiana — in Pro

This page · free

What it pays per Class 8 truck
Open, upcoming or competitive
What the program is, its type, where it applies, and who runs it
Whether the Tesla Semi is admitted
Available now and potential per truck in Indiana — the Indiana page
Last verified date

Tracked · Pro

Complete Program Information — the window: when it opens and closes, with dates; how the money is awarded; and every other program in Indiana that pays for a Class 8 truck
Applicant Eligibility — who can apply, how many trucks it covers, per-fleet limits and caps
How to Access the Money — what DieselWise stacks with and in what order, and a cautious case
Funding remaining — what is left in the pot, as the program reports it
Program Radar — a heads-up before this window closes or the next round opens
Source Documents — the document behind every figure, so you can read it yourself

Pro covers all 50 states and DC — 2,384 incentive programs · opens soon · cancel anytime once it does · Org (five seats, one invoice) and Enterprise on the pricing page

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Pro opens soon — $295 a month or $2,950 a year