ECO-2
The ECO-2 is designed for any engine up to 5 liters. Covers almost every car, and most light trucks. Reduce emissions, improve gas/diesel mileage.

ECO-4
The ECO-4 is designed for any engine over 5 liters, up to 500 horsepower. Reduce emissions, improve gas/diesel mileage.

Fuel
Diesel, Gasoline, Propane, Natural Gas, ... all have proven results.

Emissions Reductions
The reduction in carbon, including soot, is a major reason that thousands of school buses are using the device. See the ETIECO.com web site for lots more on that. Try the calculator to see carbon reduction.

Fuel Savings
It's demonstrated over and over to have on average 10% fuel savings. It saves much more in some cases, less in others. For a heavy duty pickup, the savings are immediate, and the payoff is in weeks or a few months. Try the calculator to see.

Manufactured Fittings
The fittings that come with the ECO System are designed for your engine. Your kit will have the fittings, teflon tape, and tie straps used to hold it in place. Your mechanic will have the tools needed to disconnect and reconnect things.

Here are a few fittings.