LP Energy’s System Offered for Diesel or Spark-Ignition Gasoline Engines
Washington State’s LP Energy Systems is promoting a “Dual Fuel System” that injects propane vapor into the air intake of either diesel or gasoline-fueled (spark ignition) engines, saving money and reducing emissions.
“It does not need to tie into the engine computer,” says LP Energy president Bill Farrell. “We do not tap into the fuel rail,” he told F&F.
LP installs a sensor and boost pressure control for diesel engines, he says, and a vacuum sensor and control for gasoline engines.
“In a typical fleet application the system can result in fuel savings of several thousand dollars per year in fuel costs and as a result the fleet can achieve an ROI on the system is as little as 6 months,” Farrell says in a release.
Lower NOx Emissions Too
“This is not a conversion” he explains – so neither approval nor certification from the U.S. EPA appears to be needed.
In addition to fuel savings, tests have shown significant improvement in NOX emissions, he says.
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Source: LP Energy Systems with Fleets & Fuels follow-up