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Efficient Drivetrains for a CNG PHEV

June 30, 2014 in CNG, Electric Drive, EVs, Hybrids, NGVs, Technology by Rich Piellisch  |  No Comments

EDI Driveline to Be Fitted in Greenkraft NGV with CEC Support

San Jose, Calif.-based Efficient Drivetrains, Inc. has California Energy Commission support to install a plug-in hybrid electric vehicle drivetrain, including continuously variable transmission, into a Greenkraft natural gas vehicle. The result will be “a first-of-its-kind, Class-4 vehicle that combines the benefits” of compressed natural gas and PHEV technology, EDI says. updated July 1

Installation of an Efficient Drivetrains, Inc. powertrain in a Greenkraft CNG truck will result in a ‘a market-disruptive vehicle,’ EDI says EDO co-founder and CEO Joerg Ferchau.

Installation of an Efficient Drivetrains, Inc. powertrain in a Greenkraft CNG truck will result in a ‘a market-disruptive vehicle,’ EDI says EDO co-founder and CEO Joerg Ferchau.

“EDI’s CNG-PHEV is a first-of-its-kind innovation, and represents an entirely new market application for EDI’s proprietary technology,” EDI co-founder and CEO of Joerg Ferchau said in a Monday release.

“The CNG-PHEV delivers a market-disruptive vehicle that will help fleets switch from petroleum-based liquid fuels… [there is] tremendous potential for commercial viability.”

Class 4 – To Start

The project combines EDI’s intelligent PHEV powertrain with Greenkraft’s 14,500-pound, Class-4 CNG-powered medium duty truck. “EDI’s solution can improve the fuel economy of a conventional CNG-powered medium-duty truck by more than 40%,” the company says.

EDI-Drive powertrain

EDI-Drive powertrain

“In certain duty cycles with shorter daily mileage requirements or where periodic plug-in recharging is possible throughout the day,” EDI adds, “it may even be possible to completely eliminate the use of CNG, achieve 100% all-electric zero-emissions vehicle (ZEV) operations, and achieve an effective MPGe of 26.9—an improvement of 300% over the baseline CNG truck.”

The modified Greenkraft truck for the CEC project is to have an all-electric range of about 40 miles, Ferchau told F&F.

Flexible Architecture

The vehicle may also have fewer or smaller CNG tanks than the standard Greenkraft offering. “Our architecture is flexible, so we can use different battery sizes and CNG tank sizes in order to achieve various vehicle range and performance targets,” Ferchau says.

EDI has licensed PHEV technology from UC Davis that is expected to be applicable to a wide range of vehicles, from light duty through Class 8, says a project consultant.

EDI’s work on the Greenkraft-based CNG PHEV is supported by a $900,000 CEC grant.


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Source: Efficient Drivetrains, Inc. with Fleets & Fuels follow-up

Posted in CNG, Electric Drive, EVs, Hybrids, NGVs, Technology and tagged , , .

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