Directory:Valentin Technologies

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Image:Hydrostatic Powertrain 95x95.jpg

Valentin Technologies' "130 MPG Car" is a medium size 5-seat passenger car, driven by a Hydrostatic Powertrain. The free-piston internal combustion engine pumps hydraulic fluid into the accumulator that drives the wheelmotors in each wheel. The wheelmotors are reversed during braking and become pumps to recuperate the entire braking energy.

It is an official contender for the Automotive X-Prize. Furthermore, after inspecting the other contenders, Ingo Valentin believes that his design has the best chance of winning that competition.

: "As mechanical engineer, I know that your engineering principles are sound and that the projected energy savings are realistic." -- Richard E. Kronauer, Professor of Mechanical Engineering, Harvard

Official Website

How it Works - includes animation




Fuel Consumption


About Valentin Technologies

The 130 mpg Car - download 30-page doc.


Image:FreeEnergyNowRadioIcon95x95 byKevn.gif

Download (13 Mb mp3) - On Aug. 20, 2007, Congress:Founder:Sterling D. Allan conducted a live, 1-hour interview with inventor, Ingo Valentin, as part of the Free Energy Now radio series.

Latest Developments

How it Works

Image:Valentin Technologies powertrain diagram 450.gif

Quoting from

The piston of the free-piston internal combustion engine pumps hydraulic fluid into the accumulator. It stores the energy by compressing the gas bladder inside. The engine will be turned off automatically when the accumulator is filled – and turned on again shortly before it becomes empty.

The pressurized fluid drives the wheelmotors, one in each wheel. Their driving power is continuously variable from zero to maximum speed.

The wheelmotors are reversed during braking and become pumps. They are powerful enough to stop the car like disk brakes, while recuperating the entire braking energy. The energy is stored in the accumulator and used again for driving. The ‘round-trip-efficiency’ during braking is 70% to 85%. The energy is stored in the accumulator and will be used again to drive the car.

The powertrain computer controls the charging and braking process, and also its free capacity to store the entire braking energy.



(2:43 minutes)

Elm Grove Man Designs Car Capable Of 130 MPG - (YouTube Jan. 28 2008)


The Hydraulic Motor, Free-Piston Combustion Engine, and the Fuel Injection System have been patented in Germany and The United States. International Patents have been applied for. US Patents: 6,406,271 B1 – 6,293,231 B1 – 6,484,674 B2.


Company: Valentin Technologies, Inc.

Valentin Technologies develops a new hydrostatic powertrain for vehicles. The technical experiences are based on more than 15 years of product development with leading manufacturers in this field.

Inventor: Ingo Valentin


In the News

Google News >

Image:Hydrostatic Powertrain 95x95.jpg
Template: 43: Directory:Fuel Efficiency > Directory:Hybrid Vehicles > Directory:Hydraulics > Directory:Valentin Technologies > High-Efficiency Hydraulic Hybrid Car Could Get 170 MPG - Rather than using a motor as a generator to produce electricity, the INGOCAR has a highly-efficient 2-stroke diesel engine which is used to pressurize a hydraulic tank called the accumulator. Pressure from this tank is then used to turn individual wheelmotors in each wheel. (EcoGeek March 19, 2010)

Automotive X PRIZE Announces First 31 Teams in Multimillion Dollar Competition for 100 MPGe Vehicles - The Automotive X PRIZE (AXP), a competition designed to inspire a new generation of viable, super-efficient vehicles to help break our addiction to oil and stem the effects of climate change, announced today that over 30 teams have signed a letter of intent to compete once the prize is officially funded and launched. (Market Wire (press release) Aug. 1, 2007)


Image:Valentin thumbnail 300.jpg
Display File Source

The Hydrostatic Powertrain was exhibited at the Congress:Top 100 Clean Energy Technologies Exhibited at the Chicago Hall of Fame, 2008


See Talk:Directory:Valentin Technologies

New Energy Congress member assessments
They have a lot of things right

On Aug. 18, 2007, NEC member, Congress:Member:Francis Giroux wrote:

I like the technology behind this car. Hydraulic hybid additions to UPS trucks have already proven to be more efficient that electric hybrid technology. Free piston technology is great and their concept of ultra high pressure fine spray multi injector injection is about as close to homogenous charge as you can get.


Ingo Valentin


14900 Westover Road

Elm Grove, WI 53122 (USA)

Phone: 262-821-1901

Fax: 262-821-1910

Email: []

See also

Congress:Top 100 Technologies Energy Hall of Fame Chicago


Directory:Hybrid Vehicles


Directory:Fuel Efficiency - main index

News:Fuel Efficiency

Directory:Fuel Efficiency Vehicles


Directory:Energy from Roadways

Directory:Solar Pavement

Directory:Power-Generating Shock Absorber


Directory:Fuel Efficiency Additives

Directory:Alternative Fuels

Directory:Fuel Pre-Heating for Mileage Improvement

Directory:Fuel Efficiency Hydrogen Injection

Directory:Hydroxy or HHO Injection Systems

PowerPedia:Hydroxy Generators for Fuel Efficiency

Directory:Running Vehicles on Water

Directory:Clean Fuel Conversions

Directory:Spark Plugs

Directory:Hypermiling -- Driving Tips for Better Mileage

Directory:Boron Additive


Directory:Electric Vehicles

Directory:Hybrid Vehicles

Template:Electric Vehicles footer - more EV listings


Directory:Fuel Efficiency Retrofits


Directory:Air Cars

Directory:Ambient Air Engines






Directory:X Prize:Automotive

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