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Eco-Motive’s Bi-Fuel ‘H’ Engine

November 26, 2014 in CNG, Technology by Rich Piellisch  |  No Comments

‘A Leap Forward’ Said to Be Easily Adaptable to Existing Engines

Southern California’s Eco-Motive has received a patent for its “H” engine, which features a split design with two banks, each powered exclusively by either gasoline or natural gas.

'Each piston bank operates independently of the other but is housed within the same engine block and has separate lubrication systems,' states a patent summary. Gearing will be critical.

‘Each piston bank operates independently of the other but is housed within the same engine block and has separate lubrication systems,’ states a patent summary. Gearing will be critical.



“Receiving this patent is a huge step forward,” Eco-Motive founder and CEO Herns Louis said in a release. “Now we can push our engine technology into a market that’s hungry for smart, effective solutions.”

A prototype engine is being built now, he told F&F. The 139-horsepower unit will have four cylinders, and displacement of 2.2 liters on each side, sharing the same block. Each side will have a different compression ratio, optimized for natural gas or gasoline. Separate crankshafts allow independent operation under the driver’s control.

‘As Revolutionary as the Assembly Line’

“Each side is controlled by an engine selector gearbox, which connects to the transmission,” Louis says in the patent announcement. “An OEM can adapt our idea to any internal combustion engine with an even number of cylinders to power any truck, SUV or car they currently build, regardless of its transmission or configuration.”

The concept in a car

The concept in a car

“Our design will offer significant benefits for both consumers and the environment,” Louis says. “Best of all, the technology can be easily adapted to existing engines, making the implementation very cost effective. We’re offering auto manufacturers a leap forward that is as revolutionary as Henry Ford’s adoption of the assembly line.”

“Our intent is to partner with visionary auto manufacturers who want to leverage this flexible technology worldwide.”

Eco-Motive has been assigned U.S. Patent 8,807,098 for the H engine concept.


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Source: Eco-Motive USA with Fleets & Fuels follow-up

Posted in CNG, Technology and tagged , .

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