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Alliance Autogas showcases converted F650/F-750 LPG bi-fuel truck

Alliance AutoGas showcased a Ford F-650/F-750 tractor featuring a Bi-Fuel AutoGas System at the recent AutoGas Pavilion at the NPGA Propane Expo in Atlanta. Westport’s Prins VSI system “plug and play” conversion on the 2016 Ford F650/F-750 requires no intake manifold drilling, cutting, or splicing of wiring. Westport acquired Prins in late 2014. (Earlier post.)

Newly converted 2016 F-650/750 trailer and bobtail with an Alliance Bi-Fuel autogas system. Source: Alliance Autogas. Click to enlarge.

The VSI (Vapor Sequential Injection) was developed in close cooperation with Keihin Corp. of Japan, a leading injector manufacturer. The VSI system is fully integrated by way of a “master-slave” method with the vehicle ECU, making it (E)OBD compatible, therefore signal emulation is not required.

The Bi Fuel Autogas system conversion of the F-650/F-750 features:

  • Lower cost than diesel or dedicated propane counterparts;
  • Reduces fleet operating costs by as much as 30%;
  • New Bobtail conversion comes in at a lower cost than its diesel counterpart;
  • Warranty of five years or 100,000 miles.

The plug and play conversion greatly improves efficiency reducing the propane system’s installation time by half—about six hours—compared to a typical 12 to 14-hour installation time for any predecessor.

Alliance AutoGas is also developing a Ford Explorer police vehicle, a Ford Transit (close to EPA certification) and an Isuzu NPR with the same Bi Fuel Autogas System warranty and efficient plug and play system installation.


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