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Campbell-Parnell 50-State Propane Bi

October 9, 2015 in certifications, Propane, propane autogas by Rich Piellisch  |  No Comments

Bi-Fuel Isuzu NPR-HD with 6.0-Liter GM Engine is 50-State Certified

Arizona-based Campbell-Parnell reports U.S. EPA and California Air Resources Board certification of its propane-gasoline version of the Isuzu NPR-HD medium duty truck. The bi-fuel vehicle will be shown by PERC, the Propane Education & Research Council, at the GIE+Expo/Green Industry & Equipment Expo at the Kentucky Exposition Center in Louisville October 21-23. updated October 12

The propane-gasoline Isuzu NPR-HD costs about the same as a diesel truck, Campbell-Parnell says, and is certified by both the California Air Resources Board and the U.S. EPA.

The propane-gasoline Isuzu NPR-HD costs about the same as a diesel truck, Campbell-Parnell says, and is certified by both the California Air Resources Board and the U.S. EPA.



“The Isuzu NPR-HD is known as a ‘work-horse’ for all types of business applications, from boxed-refrigeration vehicles for food based companies as well as durable goods and landscape providers in all 50 states,” states a release.

The government certifications will allow national companies to deploy the technology on vehicles in every state without legal complications: “good news for both start-ups and Fortune 500 companies.”

Campbell-Parnell is using a high-pressure multiport vapor injection system made to U.S. specs by Italy’s Emmegas.

$8,000 for an Upfit

Campbell-Parnell notes that propane autogas fueling infrastructure is less costly than compressed natural gas, and that vehicle conversions cost about $8,000.

“Dedicated propane and CNG cannot come close to this price and the miles-per-gallon haters can’t complain – this system was a rated at a 9% loss on fuel economy.”

Campbell-Parnell is promoting the Isuzu as a dual fuel vehicle in conformance with CARB terminology, says Tom Campbell, who acknowledges that bi-fuel is the more common nomenclature for a spark-ignition engine running on propane auto gas or gasoline, not on a fuel mix.

No One Else ‘Has Pulled This Off’

Terminology aside, “no other propane supplier or vehicle system manufacturer has pulled this off,” his company says.

Campbell-Parnell’s EPA certifications are in hand for 2014 through 2016 trucks, as are the CARB approvals for 2014 and 2015, Campbell confirms. CARB certification covering 2016 model year vehicles is expected shortly.

The propane-gasoline Isuzu NPR-HD will be shown at the GIE+Expo/Green Industry & Equipment Expo at the Kentucky Exposition Center in Louisville October 21-23.

The propane-gasoline Isuzu NPR-HD will be shown at the GIE+Expo/Green Industry & Equipment Expo at the Kentucky Exposition Center in Louisville October 21-23.


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Source: Campbell-Parnell Parnell USA with Fleets & Fuels follow-up

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